统计与概率
数据分析、概率分布、假设检验与统计方法。
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1) devin is checking rental prices of cabins in the mountains for a ski…
The distribution of the prices is best described as right - skewed (positively skewed). So, the mean is not an appropriate measure of center.
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at yogurt yum, customers fill a bowl with yogurt and toppings and then …
- The distribution of weights is best described as \(\boldsymbol{\text{symmetric}}\). - \(\boldsymbol{\text{Mean}}\) and \(\boldsymbol{\text{Median}}\) are both appropriate measur…
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the students in a statistics class are graphing the ages of their 9 par…
51
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what is the range? 88 82 86 81 95 80 86 95 89
15
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a tank at a factory contains water. workers are filling the tank at a c…
(a) As time increases, the amount of water in the tank increases. The amount of water in the tank increases at a rate of 14 liters per minute. (b) 66 liters
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a construction worker checked the number of screws needed to complete 1…
52
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mai is flying a drone. she is controlling the drone so that it ascends …
(a) As time increases, the altitude of the drone increases. The altitude of the drone increases at a rate of 7 meters per second. (b) 89 meters
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create a realistic scenario involving a population (such as a town, sch…
- Starting population (\( P_0 \)): 1000 - Percent increase: 5% (or 0.05 as a decimal) - Population after 1 year (\( P_1 \)): 1050 - Population after 2 years (\( P_2 \)): 1103 (rou…
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(\frac{1}{2}+\frac{5}{7}) (\frac{1}{2}+\frac{5}{7}=\frac{7}{14}+\frac{1…
$1\frac{3}{14}$
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sophia is learning to juggle using pineapples. in 10 practice sessions,…
The range of the number of pineapples damaged is 4.
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marie has various playlists on her mp3 player. the 8 playlists contain …
26
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tessa measured the lengths of 6 rugs in the home furnishings department…
41
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jason bought supplies for a class project and brought the receipt to sc…
$\$37.00$
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jane is a new engineer at a factory, and part of her job is lowering th…
Exponential equation: $y = 1280(0.85)^x$ Number of months: 6 months
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edgar counted the number of tickets sold at 9 school dances. he counted…
94
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a television commercial compared monthly car insurance prices offered b…
\( 86 \)
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a university will do a seasonal run of a popular alumni sweatshirt. the…
1,964 units
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what is the mean? if the answer is a decimal, round it to the nearest t…
46.6
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ariana is looking over the gas receipts for her company car. the last 8…
$\$47.00$
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hassan made a list of the minimum heights to ride 6 roller coasters. he…
47
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the sculptor showed a high degree of skill on mount rushmore. in the se…
B. level.
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review the claim and the two pieces of evidence. you should not store b…
Evidence B does not directly support the claim. It does not state that it is bad to store bread, specifically, in the refrigerator.
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the price of a cell phone plan changed from $200 per month to $250 per …
25%
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select the correct word in the passage. which use of the word accent in…
The use "there was an accent on the necessity of practicing for 30 minutes a day" (from "Mrs. Norris... there was an accent on the necessity of practicing for 30 minutes a day")
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in 1969, melinas grandparents founded a new hospital in sacramento. in …
D. set up or established.
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up and down the street, people were peddling different products. in the…
D. carrying for sale
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review the claim and the two pieces of evidence. drawing in adult color…
1. Evidence A is anecdotal. It might not represent the views of other workshop participants or art therapists themselves. 2. Evidence A does not directly support the claim. It doe…
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an alloy is a combination of two or more metals. a certain alloy of met…
\(\frac{7}{11}\) (the option corresponding to \(\frac{7}{11}\))
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consider this claim: drawing in adult coloring books for relaxation or …
B. The website of the American Art Therapy Association states that the term art therapy is often used inaccurately. It specifies that "coloring activities must be distinguished fr…
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is (3, -1) a solution of the graphed system of inequalities? choose 1 a…
No, $(3,-1)$ is not a solution of the graphed system of inequalities.
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2) dok 3 how does the author develop the main idea across the passage? …
B. By comparing earlier motivations and portrayals of space exploration with modern motivations and portrayals, showing a clear shift in perspective
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4. “the fire made homeless ten families, who had paid an average of $5.…
2. poor slum dwellers
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name _______________________________ date: ______ the great depression …
1. F. Black Friday 2. B. Hoovervilles 3. J. Dust Bowl 4. H. trickle down theory 5. D. rugged individualism 6. A. Fireside chats 7. I. bank holiday 8. C. pump priming 9. G. collect…
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4 multiple choice 1 point which of the following shows exponential grow…
The third graph (the one with "Number" on the y - axis and "Time" on the x - axis, showing a curve that starts at \( y_0 \) and gets steeper as time increases)
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4. which detail from the text provides the best clue for the meaning of…
C. "Before the paper rights could become actual rights, someone had to interpret what the language of the Bill of Rights meant in specific situations." (Paragraph 14)
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in this part from the text, the word \excess\ is used to mean a power b…
D. extra
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irene stated that the heights of the students in her class were not a f…
Two students are the same age but have different heights.
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a restaurant has 30 tables in its dining room. it takes a waiter 10 min…
8 tables
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2. what is the meaning of the word \blueprint\ as used by the author in…
B. a detailed plan of how to achieve something
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a restaurant has 30 tables in its dining room. it takes a waiter 10 min…
Setting the tables with plates and forks ---
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describe the association in the scatter plot below. answer attempt 2 ou…
positive linear
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edit the following statement to correct any errors. if the statement do…
- Replace "peoples’" with "people's". - Replace "Levitan’s and Kaplan’s" with "Levitan and Kaplan’s".
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write the prefix word that is defined. what prefixed word means \build …
1. Rebuild 2. Disagree 3. Unkind 4. Prepay
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what is the next fraction in this sequence? simplify your answer.\\(\\f…
$\frac{5}{8}$
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6. using the venn diagram shown, find: 6a ( p(a \text{ but not } b) ) p…
To solve \( P(A \text{ but not } B) \) using a Venn diagram, we need to recall the following: ### Step 1: Understand the Region "\( A \) but not \( B \)" refers to the region that…
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question given the following exponential function, identify whether the…
The change represents growth with a 9% increase.
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describe the association in the scatter plot below. the scatter plot sh…
The scatter plot shows nonlinear association because as the plotted values of $x$ increase, the values of $y$ generally follow a nonlinear pattern
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9. this venn diagram shows the results of a survey identifying what col…
$\frac{11}{19}$
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2. a single marble is drawn from a jar containing 20 marbles, as shown …
60% Wait, but maybe the blue marbles are different. Wait, maybe the user's problem has blue marbles as 3. Let's check: 7+3=10, 10/20=50%. But that's less likely. Alternatively, ma…
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for 1 - 8, fill in the missing numbers to find equivalent fractions. 1.…
\( \frac{1}{2} \) (numerator: 1, denominator: 2) ### Problem 2:
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amirs family hiked 2 kilometers on the red trail, 3 kilometers on the g…
$2 + 3 + 1 = 6$ 6 kilometers
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as marcus scanned the jewelry cases, his eyes came to rest on an intric…
2. No, because the context explains that the necklace was made with great attention to detail.
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read the passage. this semester, with some trepidation, i decided to ta…
1. demanding 3. rigid
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find the sum of the finite arithmetic series. \\(\\sum_{n=1}^{11} (4n +…
\( 2n^2 + 4n \)
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9 look at the example of evidence below. what type of evidence is being…
A. statistics
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9. read the example below. which sentence shows the correlation between…
A recent study showed that bullying incidents over clothing went down eighty percent when Smith County High School implemented a uniform dress code
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end of unit 1 assessment: figurative language, central idea, and senten…
d. The sickness was moving quickly. ### Part B
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the movement of the progress bar may be uneven because questions can be…
D. viewpoint
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8. what does \inu\ mean? dog ugly hero
A. Dog
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multiple-choice question how are iagos lines ironic? hes warning othell…
He's warning Othello to be cautious of jealousy, but wants to spark his jealousy.
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18. what is the effect of the dialogue throughout this passage? (a) the…
To solve these questions, we would need the passage that these questions are referring to (since they are about analyzing a passage's dialogue, theme, and evidence). Without the p…
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a. directions: the word root -greg- means \herd or flock.\ on the line,…
1. gregarious 2. egregious 3. congregation 4. aggregation
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show what you know a. drag the points to fit the line to the data. b. u…
6 (or a value around 6, depending on the line - fitting precision)
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explaining financial responsibility in a few sentences, explain what it…
To be financially responsible is to manage money wisely: create/follow a budget, save for goals (emergency, retirement, etc.), avoid unneeded debt, make informed spending/investin…
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which form is not a way that we share meaning? a actions b signs c list…
c. Listening ### Question 8 (What are the "4" C's of Communication?)
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what is the meaning of the following quote? do you agree? how does it r…
### Beethoven Quote Response: - **Meaning**: Acknowledging personal errors is deeply psychologically painful, as it challenges one's self-perception of being right or capable. - *…
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2 the graph shows the relationship between time and distance for mason’…
a. Yes, the graph shows a proportional relationship. It is a straight line that passes through the origin (0,0), which is the key characteristic of a proportional relationship. b.…
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6. what relationship between money (in dollars) and time (in months) do…
1. The graph shows a **non-linear, non-proportional relationship** between money (in dollars) and time (in months). 2. Over the three months from January to March, the amount of m…
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seq set 1 directions (question 20): read and analyze the following docu…
The historical context is the Great Depression (1929–1933), with Document 1 showing its economic toll (unemployment, bank failures, falling income) and Document 2 presenting Roose…
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given the following box plots, answer the questions. data 1 box plot wi…
In a box plot, only the percentages can be viewed above a given data value, not how many data values there actually are. ### Part (a)(ii)
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given the following box plots, answer the questions. data 1 box plot wi…
In a box plot, only the percentages can be viewed above a given data value, not how many data values there actually are ### Part (a) (ii)
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a professor posts each of her video lectures online. the lengths of the…
mean > mode
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colin keeps track of how many goals he scores at each game throughout t…
mode < median
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which statement defines denotation? it is the root of a word. it is a w…
The correct option is: It is a word's dictionary meaning.
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each situation can be modeled with an equation and with a tape diagram.…
(for Ana's books per shelf): \( 4 \)
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yael is writing an essay about the development of folk tales. read the …
Yael gives details in chronological order, which supports her central idea by showing development.
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dario buys 4 churros that each cost the same amount and a horchata drin…
A. $3$
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write the percent as a decimal or the decimal as a percent. use a model…
0.63 ### Problem 2: Convert 0.21 to a percent
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complete problems 3–5. look at the point at 4 on the number line. a. ho…
4 ### Part b
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select the three be represented by an exponential function. a. snow was…
C. A coin collection appreciates at a rate of 17% per year D. A car depreciates at a rate of 2.5% per year E. Money invested in a savings account grows at an annual rate of 3.4%
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which of the following data points would not satisfy the exponential mo…
C. (4,30)
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for questions #1-3, use the agrarian barter system as shown below. show…
\(20\) pigs ### Question 2
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use for questions 7-9: mischa recorded the battery life of her laptop e…
7. -10 percent per hour 8. -20 percent per hour 9. -20 percent per hour
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use for questions 4-6: the table below shows the average price of a gal…
4. $\approx 0.12$ dollars per year 5. $0.135$ dollars per year 6. $\approx -0.40$ dollars per year
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5.2 time and temperature the graph shows the temperature between noon a…
1. It is warmer at 9:00 p.m. 2. The temperature is highest at approximately 5:00 p.m. 3. The temperature is the same as at 4:00 p.m. at approximately 7:00 p.m. 4. The temperature …
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unit 5, lesson 5 more graphs of functions lets interpret graphs of func…
The three that go together are A, C, and D. They are all graphs of functions (each x-value maps to exactly one y-value), while B does not represent a function.
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period ______ date ______ frequency table fill in the table below based…
### Part 1: Filling the Frequency Table # Explanation: ## Step1: List the data The data is: \(1, 5, 10, 1, 5, 10, 1, 15, 20, 15, 20, 12, 19\) ## Step2: Count for 1 - 4 Numbers in …
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in this activity you will be exploring domain and range. by using the v…
Domain is all the possible x - values of a function, and range is all the possible y - values of a function.
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answer the question below. view the rubric linked above for help if nee…
- Meaning of roll calls in Congress: Roll calls in Congress are procedures to record each member's vote by name, creating a public record of how legislators voted on specific issu…
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what is the symbolic meaning of ight coming tenderly / black like me\ i…
It connects the peace of night with pride in Black identity
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12 which of the following values is a solution of ( k leq 12 )? lets tr…
A. \( k = 11\frac{5}{6} \)
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12. which of the following values is a solution of ( k leq 13 )? ( k = …
\( k = 13 \)
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exercise 2 (answers on page 41) find the number that belongs in the spa…
1) $5$ 2) $10$ 3) $10$ 4) $9$ 5) $8$ 6) $15$ 7) $1$ 8) $3$ 9) $4$ 10) $1$ 11) $1$ 12) $1$ 13) $10$ 14) $1$ 15) $2$ 16) $3$ 17) $8$ 18) $10$ 19) $1$ 20) $1$ 21) $1$
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question 6 (2 points) what does it mean to interpret something? record …
1. To interpret something means to analyze a subject (text, event, etc.), draw on context and prior knowledge, and assign or explain its explicit or implied meaning, making it und…
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write two numbers that multiply to the value on top and add to the valu…
-6 and -9
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to analyze a text means to... a explain the meaning of something b make…
1. c. examine something closely 2. True 3. b. show how things are different
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conclusion how can you use probability to help you determine whether a …
To determine if a game of chance is fair, you can calculate the probability of each player (or outcome) occurring. A game is fair if the probabilities of all players winning (or r…
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click on the cell with each outcome. use the paint bucket tool to color…
To solve these questions, we need the details of Game C (e.g., the possible outcomes, how Player 1 and Player 2 win). Since the game's specific rules/outcomes aren't provided here…
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$\\frac{1}{10} < \\frac{\\square}{4}$
\(1\)
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1. the sample space for game c is partially filled out. finish writing …
### Part 1: Completing the Sample Space To complete the sample space, we calculate the product of the numbers on Cube 1 and Cube 2 for each cell. The formula for each outcome is \…