統計と確率
データ分析、確率分布、仮説検定、統計手法。
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question 18 of 20 what was the dawes act in 1887 meant to do? a. stop w…
C. Destroy traditional Native American life
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every day in the united states, millions of customers eat fast food. th…
Since the problem is not clearly stated (e.g., what calculation or analysis is needed regarding the fast - food data), we can't provide a solution. Please clarify the question, su…
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each of these relationships reflects a correlation. which relationship …
Hosting more dinner parties is associated with vacuuming more often.
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lamar goes for a bike ride every day. for the last two weeks, he tracke…
Approximately 40 minutes (or a value in the range of 35 - 45 minutes, depending on the trend estimation. A more precise visual estimate from the scatter plot's trend line would su…
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a factory robot recently examined some bulbs, of which 12 were flawed a…
19
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17. what does balance mean in sources? a. publishing equal positive and…
d. Presenting multiple viewpoints fairly
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part 2: biggie size those fries.... or maybe not!!! | | small fries (ca…
### Question 1: Writing a Statistical Question A statistical question should involve variability (asking about a group or distribution). Let's use the data on fry calories across …
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introduction types of data displays you know many ways to graph and ana…
To create the horizontal bar graph and dot plot for the students' music preferences data: ### Horizontal Bar Graph (Left) 1. **Axes Setup**: The vertical axis lists the music genr…
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the optimal replenishment level without any safety stock is computed by…
For the first "Select" (for \( d \)): average demand per time period
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question 4 of 5 cartoon with text \votes for women means cleaner politi…
D. Women's suffrage
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8. what indicates whether poll results reflect a real trend rather than…
c. Statistical significance
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which point on the number line shows the position of \\(\\sqrt{56}\\) ?…
# Explanation: ## Step1: Find perfect squares around 56 We know that $7^2 = 49$ and $8^2 = 64$. So, $49<56<64$, which means $\sqrt{49}<\sqrt{56}<\sqrt{64}$, so $7 < \sqrt{56}<8$. …
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introduction types of data displays you know many ways to graph and ana…
To solve the problem of creating the horizontal bar graph and dot plot for the students' music preferences, we follow these steps: ### Creating the Horizontal Bar Graph #### Step …
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box plots organize data in order to see ____ this example shows a box a…
### Filling in the Blanks (Box Plots and Data Organization) #### 1. Box plots organize data in order to see **patterns/distributions** (e.g., spread, median, quartiles). #### 2. T…
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what does \solution to a system of equations\ mean? a) it’s the point w…
b. It's the point that solves both equations at the same time ### Question 2 (Solving System by Substitution)
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the data set represents wait times (in minutes) for various services at…
# Explanation: ## Step1: Organize the data First, we need to list out all the wait times and sort them in ascending order. Let's list the data: 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4,…
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the annual profits for a company are given in the following table, wher…
The linear regression equation is \(y = 7.00x + 149.50\), and the projected profit for 2016 is \(\boxed{234}\) (in thousands of dollars).
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the federal reserve system publishes weekly figures of m2 money supply.…
A. The bar chart is improperly truncated because the vertical axis, which should start at 0, starts at 13.6 instead. ### Part (b)
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a smooth curve that represents a distribution is provided use this curv…
unimodal ### Part b
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question 1 when two graphs are parallel, what does this mean about thei…
A. The have no solution ### Question 2
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identify the distribution shapes that are symmetric. select all that ap…
A. (the distribution with two peaks and symmetric), D. (bell - shaped symmetric), G. (symmetric histogram), H. (symmetric histogram)
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the number of newly reported crime cases in a county in new york state …
The linear regression equation is \(y = -21.63x + 858.91\) and the projected number of new cases for 2010 is \(\boxed{664}\)
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function notation when a function can be written as an equation, the sy…
s: - \( f(-2) = \boldsymbol{-7} \) - \( f(7) = \boldsymbol{11} \) - \( f(-4) = \boldsymbol{-11} \) - \( k(0) = \boldsymbol{1} \) - \( k(-1) = \boldsymbol{8} \) - \( k(5) = \boldsy…
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a pediatrician tested the cholesterol levels of several young patients.…
15% ### Part b
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construct a stem-and-leaf diagram for the accompanying data, using two …
| Stem | Leaf | |------|------| | 2 | 1 2 3 | | 2 | 9 | | 3 | 0 0 1 1 3 4 | | 3 | 5 6 7 8 9 9 9 | | 4 | 0 0 | | 4 | 9 |
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while creating a pie chart for a collection of data, the category execu…
\(61\) degrees
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the annual profits for a company are given in the following table, wher…
The linear regression equation is \(y = 16.7x + 144.2\) and the projected profit for 2017 is 328 (in thousands of dollars).
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observing that the proportion of blue candies in his bowl appeared to b…
D ### Part (c)
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brooke found some crayons in the art room. she measured the length of e…
3
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102. healthy fast food? here is a dotplot of the amount of fat (to the …
On average, the fat content of each hamburger in the sample deviates from the mean fat content of \( 22.83 \) grams by approximately \( 9.06 \) grams. ### Part (b)
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observing that the proportion of blue candies in his bowl appeared to b…
(for part a): | Color | Frequency | Relative Frequency | |---------|-----------|--------------------| | Brown | 152 | 0.297 | | Yellow | 119 | 0.232 | | Red | 103 | 0.201 | | Oran…
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task 2. comparing measures of central tendency the table shows some sta…
s: a. Rebels; their mean ($37.1$) > Ospreys' mean ($32.9$) b. Ospreys; their median ($34$) > Rebels' median ($31.5$) c. Rebels; higher mean shows better average performance.
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observing that the proportion of blue candies in his bowl appeared to b…
D ### Part (c)
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miranda will spin this spinner twice. what is the probability that it l…
$\frac{3}{25}$ (corresponding to the option with $\frac{3}{25}$)
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for her science project, liz recorded the high temperature each day for…
58
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1. distinguish determine whether the passage shows logical reasoning or…
The passage shows a logical fallacy (slippery slope), as it claims a soda ban will lead to excessive government control over daily life without valid causal links. ### 2. (a) Iden…
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what is a frequency distribution of qualitative data and why is it usef…
C. It is a listing of the distinct values and their frequencies. It is useful because it provides a table of the values of the observations and how often they occur.
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question 14 (multiple choice worth 2 points) (box plots mc) the box plo…
A. The lower quartile (Q1), and it is 75
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a sample of five players on the runs batted in (rbi) leaderboards durin…
- Player: Qualitative - Team: Qualitative - Position: Qualitative - RBI: Quantitative, Discrete - Weight: Quantitative, Continuous
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put the events in order of increasing probability. p = 0 you flip a qua…
1. You pull an orange marble from a bag of all yellow marbles. 2. You roll a 6 - sided die and it lands on 5. 3. You flip a quarter and it lands on tails. 4. You roll a 6 - sided …
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question 10 of 10 the building of cotton mills in the south meant decre…
A. dependence of the South on the North.
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construct a stem-and-leaf diagram for the accompanying data, using two …
| Stem | Leaf (0 - 4) | Leaf (5 - 9) | |------|--------------|--------------| | 2 | 1, 2, 3 | 8 | | 3 | 0, 0, 1, 1, 3, 4 | 5, 6, 7, 8, 9, 9, 9 | | 4 | 0, 0 | 9 |
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the data set represents wait times (in minutes) for various services at…
B. About 50% of wait times are less than this wait time.
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september 8 pledge of allegiance on september 8, 1892, the pledge of al…
Francis Bellamy ### Question 2: What event does the writing of the Pledge of Allegiance mark?
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a quantitative data set has been provided in the table. create a dotplo…
B. (The dotplot with 30:1, 31:1, 32:1, 33:4, 34:1, 35:2, 36:2, 37:2, 38:1 dots)
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september 8 pledge of allegiance on september 8, 1892, the pledge of al…
Francis Bellamy ### Question 2 (Facts: What event does the writing of the Pledge of Allegiance mark?)
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coach middleton measured the height of each player on the middle school…
57
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data is gathered on the number of pairs of shoes that a person owns fro…
C. Cutpoint grouping ### Part (b)
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presented below is a \data scenario.\ decide which type of grouping (si…
continuous and there are a large number of distinct decimal values.
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question 9 (multiple choice worth 2 points) (histograms and line plots …
D. The data has a possible range of 24, which is a wide spread. This might mean that there is a difference of around 24 water - skiing trips between the students.
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presented below is a \data scenario.\ decide which type of grouping (si…
Cutpoint grouping is probably the best because the data are continuous (or have a large number of possible values in an interval, suitable for cutpoint - based class definitions).
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presented below is a \data scenario.\ decide which type of grouping (si…
discrete and there are a small number of distinct values.
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presented below is a \data scenario.\ decide which type of grouping (si…
Single - value grouping is probably the best because the data (number of assigned books) are discrete and take distinct whole - number values.
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using other data representations algebra 1 unit 1 supplemental lesson 1…
### Part a: Original Data Set (23, 18, 28, 16, 19, 14, 22, 23, 24) #### Step 1: Find the Mean First, sum all the numbers: \(23 + 18 + 28 + 16 + 19 + 14 + 22 + 23 + 24\) \(= (23+18…
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among a group of 341 students, only 41 of the students are enrolled in …
0.120
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the data set represents wait times (in minutes) for various services at…
# Explanation: ## Step1: Count the number of data points First, we need to count how many data points there are. Let's list out the data: 27, 4, 8, 4, 3, 26, 18, 21, 1, 3, 3, 5, 5…
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a sample of students is asked about the color of their dream car. 13 st…
\(0.23\) ### Part b - Horizontal Axis
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the data set below represents the ages of 30 executives. which ages are…
57, 58, 61, 61, 65, 66
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while creating a pie chart for a collection of data, the category execu…
61
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the data set below represents the ages of 36 executives. find the perce…
# Explanation: ## Step1: Order the data set First, we need to order the given data set of ages. Let's list out all the ages[SSE onError error]
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use the percentiles flow chart interactive to answer the following ques…
C. The IQ score that is midway between the 70th and 71st scores in the sorted list
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below are 36 sorted ages of an acting award winner. find ( p_{80} ) usi…
\( P_{80} = 66 \)
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below are 36 sorted ages of an acting award winner. find p 80 using the…
# Explanation: ## Step1: Find the position of \( P_{80} \) The formula for the position of the \( p \)-th percentile is \( i = \frac{p}{100} \times n \), where \( n \) is the numb…
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2. based on the context of the passage, the word \tumultuous\ most clos…
c) Full of chaos and disorder ### Question 3
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
\( 0.89 \)
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94. mean salary? last year a small accounting firm paid each of its fiv…
s #### (a) - Mean salary: \(\$70,000\) - Number of employees earning less than mean: \(7\) - Median salary: \(\$32,000\) #### (b) An unethical recruiter could state "The mean sala…
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
\( 0.88 \)
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hunger stole upon me so slowly that at first i was not aware of what hu…
The direct quotations are: "Mama, I'm hungry," "Jump up and catch a kungry," "What's a kungry?", "Is a wordplay or a joke.", "It's what little boys eat when they get hungry," "Wha…
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which of the following are two main ideas from the article? 1. mulberry…
B. 1 and 4 ### Second Question (Important Summary Detail)
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
\(1.175\)
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question 5 of 10 read the argument below: my cousin’s school just chang…
D. Hasty generalization
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
To find the first quartile \( Q_1 \) for the given data set of 50 values, we first need to sort the data (though it appears partially sorted here, we assume full sorting). For \( …
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use the accompanying radiation levels \\(\\left(\\text{in } \\frac{\\te…
To find the 70th percentile (\(P_{70}\)) for the given data set of 50 values: 1. **Order the data** (already partially ordered, but confirm full sorting). 2. **Calculate the index…
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look back at the number of deaths estimated that came from the mongol c…
We should view these human deaths as the consequence of Genghis Khan being a bloodthirsty tyrant rather than a natural consequence of empire building. The Mongol conquests under G…
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question 9 · 1 point productive efficiency means that starting from a p…
to increase production of one good, we must decrease production of another
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vocabulary boost b read the sentences. then match the words to their de…
### Part B: Match words to definitions 1. **Sentence 1**: "When I got to the classroom, my friends were already there, waiting for me." - The word "already" means "before now; by …
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question 5 of 5 why was money created? to reduce the costs of making tr…
A. To reduce the costs of making transactions in the economy.
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(effects of changes in data mc) the list represents the ages of student…
The mean will decrease to about 6.8. ### Question 7
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question 14 given the inca counting board below, red squares represent …
Number of goats: 7 Number of sheaves of grain: 6
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of 500 people who used the internet to find pet information, 310 said t…
62
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find the third quartile ( q_3 ) of the list of 24 sorted values shown b…
To find the third quartile \( Q_3 \) for a list of \( n = 24 \) sorted values, we first find the position of \( Q_3 \) using the formula: \[ \text{Position of } Q_3 = \frac{3}{4}(…
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given the inca counting board below, red squares represent one goat, an…
Number of goats = 8 Number of sheaves of grain = 6
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the table shows the main dishes served each day at a cafeteria. | monda…
B. No. There is not enough information. You also need to know if someone has fish and chips or tacos.
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question 3 (multiple choice worth 2 points) (histograms and line plots …
### Question 3 (Histograms and Line Plots MC) To determine the correct statement, we analyze the line plot: - **Symmetry Check**: The data (dots) are balanced around the middle (a…
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question 1 · 1 point if the us has comparative advantage in producing c…
- the US can specialize in car production and trade with other countries. - the US has a lower opportunity cost of producing cars.
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how does the sentence \the great city of timbuktu, home to arguably the…
C. It supports the idea that West Africa was a center of civilization before the slave trade. ### Question 2
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a student’s iq score is in the 91st percentile among students in the sa…
C. The student has a higher IQ score than 91% of the students in the same age group.
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make a prediction about which rocket design will perform better in a co…
Design A will perform better. To determine this, we consider the sum of the three highest flight heights (as the contest scores based on the sum of three flights). For Design A, t…
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question 1 (multiple choice worth 2 points) (histograms and line plots …
The correct option is the second one: (4, 7, 11, 13, 14, 19, 22, 24, 26, 27, 29, 31, 33, 35, 36, 38, 40, 42, 42, 42)
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to the nearest tenth. dot plot: number line 1–10, dots at 2 (1), 3 (2),…
s 13. \(\boldsymbol{5}\) 14. \(\boldsymbol{5}\) 15. Circle data values 4, 5, 6 (dots at 4, 5, 6). 16. Correct options: \(\boldsymbol{A, D}\)
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13. what is the mean of the data? ______ 14. what is the median of the …
5 #### Question 14:
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set up the percent proportion for the following application problem. do…
\(\frac{n}{200}=\frac{34.7}{100}\) (where \(n\) is the number of people who said they get their news from television)
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bobby’s football team received four five-yard penalties in the first qu…
-20 yards
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the chaser, by john collier alan austen, as nervous as a kitten, went u…
Since no specific question is provided about the text (e.g., analysis of characters, themes, literary devices, or a comprehension question), it's not possible to give a targeted a…
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for problems 10–12, use the following information. eight stores at the …
### Problem 10: Median of the Prices First, we need to sort the prices in ascending order. The prices are: $32, $35, $40, $38, $42, $37, $35, $44. Wait, let's list them correctly:…
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a pet store sold the animals listed in the table in one week. write the…
The ratio of cats to pets sold that week is \(14:35\) (or simplified as \(2:5\)).
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a group of adult males has foot lengths with a mean of 27.11 cm and a s…
For option A: The lower limit is $24.19$ and the upper limit is $30.03$. So we fill $24.19$ and $30.03$. For option C: The value to fill is $30.03$ because $30.3$ is greater than …
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a group of adult males has foot lengths with a mean of 27.11 cm and a s…
Significantly high values are \( \boldsymbol{30.03} \) cm or higher.
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a group of adult males has foot lengths with a mean of 27.11 cm and a s…
24.19
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body and exam measurements were collected from 300 subjects. the pulse …
within two standard deviations of