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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drag each expression or equation to the correct location on the table. …
| Description | Equation | |-------------|----------| | 74 beach balls for $\$40.70$ | $t = \$0.55n$ | | 40 jump ropes for $\$39.20$ | $t = \$0.98n$ | | 17 pillows for $\$17.51$ |…
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7×10⁴ + 2×10⁴ = 9 5×10⁶ - 3×10⁶ =
\(9\times10^{4}\) (or 90000) ### Second Problem ($5\times10^{6}-3\times10^{6}$):
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drag each situation to the correct location on the table. each situatio…
| $y=2.23x$ | $y=3.85x$ | |-----------|-----------| | 12 gallons of gas for $\$26.76$ | 15 cups of coffee for $\$57.75$ <br> 14 bags of ice for $\$53.90$ | | $y=3.96x$ | $y=2.32x$…
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lesson 5.1 extra practice write the percent as a decimal or the decimal…
0.81 ### Question 2: Write 0.91 as a percent
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write a description of the set. {april, august} choose the correct answ…
C. The set of months that begin with A.
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12. bart can type 296 words in 8 minutes. at this rate, how many words …
740
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unit rates with fractions (7.rp.a.1) a cyclist covers 2 miles in \\(\\f…
1.2
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test, form 2a (continued) 7. a fox can run at a speed of 42 miles per h…
C. 61.6 ft/s ---
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a football team won 3 matches for every \\(\frac{1}{2}\\) match they lo…
The ratio of matches won to matches lost is $6:1$.
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unit rates with fractions (7.rp.a.1) a box contains \\(\\frac{2}{3}\\) …
$\frac{1}{6}$ kg
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unit rates with fractions (7.rpa.1) a runner completes \\(\\frac{3}{4}\…
\( \frac{1}{8} \)
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martina is a software saleswoman. let ( p ) be martina’s total pay (in …
| Description of Values | Set of Values | |------------------------|---------------| | **Domain:** <br>$\boldsymbol{\text{Number of copies Martina has sold}}$ | Select values: $0,…
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a construction crew is lengthening a road. let ( l ) be the total lengt…
## Domain: Description of Values: $\boldsymbol{\text{number of days the crew has worked}}$ Set of Values: $\boldsymbol{0 \leq D \leq 70}$ ## Range: Description of Values: $\boldsy…
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a company sells classes on its speed-reading technique, which it advert…
203
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which domain would be the most appropriate set to use for a function th…
Pregunta 12: Whole Numbers Pregunta 13: Yes, because the graph includes a point at x=-2 Pregunta 14: 28, 28.25, 28.5, 28.75, 29, 29.25, 29.5, 29.75, 30
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question employers in the auditing division of a health insurance compa…
9
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question a company is hiring people for a data entry position. the fast…
The correct box - and - whisker plot is the second option (the one with \( \text{Med} = 68.6 \) and the left whisker corresponding to Q1 = 61). (The option with the circle next to…
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question a data set lists the number of hours each student, from a chem…
The box - and - whisker plot has: - Minimum (whisker left): 1 - \( Q1 \) (box left): 8 - Median (box line): 11 - \( Q3 \) (box right): 12 - Maximum (whisker right): 15 When plotte…
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remember that the box-and-whisker plot represents the five number summa…
7
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now that you’ve been managing your schedule and practicing time - manag…
B. Build flexibility into your schedule by setting aside extra time for unexpected events.
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a data set lists the number of \gutter balls\ bowled by each player in …
To construct the box - and - whisker plot: - Place the minimum dot at 0. - Place the first quartile dot at 1. - Place the median dot at 2. - Place the third quartile dot at 3. - P…
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the monthly average high temperatures for new york city have the follow…
A
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question given the following box-and-whisker plot, which statements are…
- There is a potential outlier in the lower half of the data set. - The interquartile range is approximately \(190 - 130 = 60\). - The median is approximately 175.
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vowel sounds (au, aw, al, all) read each clue. fill in the letters to c…
### Part 1: Fill in the letters to complete the word 1. **Clue**: the season that follows summer - The season after summer is "autumn". The missing letters are "au". - Answer: au …
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question the five number summary for a set of data is given below. min …
36, 96, 117
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a towns population has been growing linearly. in 2003 the population wa…
The equation for the population is \( P = 700x + 61000 \). The population in 2009 is 65200.
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question the five number summary for a set of data is given below. min …
8
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mr. saffer is signing up for the gym. he checks out planet fitness and …
a. System of equations: Planet Fitness: $y = 29x + 50$ LA Fitness: $y = 25x + 20$ b. Mr. Saffer should choose LA Fitness. The total cost for 1 year is $320, which is $78 cheaper t…
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the following frequency table summarizes a set of data. what is the fiv…
Min: 7, Q1: 8, Median: 11, Q3: 14, Max: 17 (corresponding to the first option: Min 7, Q1 8, Median 11, Q3 14, Max 17)
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the following frequency table summarizes a set of data. what is the fiv…
Min: 9, Q1: 10, Median: 13, Q3: 15, Max: 18 (corresponding to the option "Min Q1 Median Q3 Max 9 10 13 15 18")
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what is the potential outlier in the population density data set? 1,19,…
738
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question the dataset below represents the population density per square…
188
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question the following frequency table summarizes a set of data. what i…
B. Min: 12, Q1: 15, Median: 17, Q3: 18, Max: 21 (assuming the second option is labeled B as per the options, but in the given options, the second one is: Min Q1 Median Q3 Max 12 1…
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question the data below are the monthly average high temperatures for n…
Sample minimum: 40, Sample maximum: 84 Q1: 45, Median: 63, Q3: 77 (The corresponding option is the second one: Sample minimum: 40, Sample maximum: 84; Q1: 45, Median: 63, Q3: 77)
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a student of statistics and fan of baseball is looking over the player …
Mean $=\boldsymbol{0.269}$, Median $=\boldsymbol{0.272}$, Mode $=\boldsymbol{0.272}$
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question a principal of a high school wanted to study the attendance of…
Mean = \(4.3\), Median = \(3.0\), Mode = \(3\)
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the number of days in each month (excluding leap years) is given in the…
Mean = \( 30.4 \), Median = \( 31.0 \), Mode = \( 31 \)
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a recipe calls for 3 ounces of flour for every 2 ounces of sugar. find …
\(\frac{2}{3}\)
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question given the following frequency table of values, is the mean or …
Median
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identify tone read the examples of figurative language from hazel down …
### Completed Table: | EXAMPLE | FIGURATIVE LANGUAGE | MEANING | TONE | |---------|---------------------|---------|------| | "eyeroll that went around the world and back" (paragra…
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a recipe calls for 3 ounces of flour for every 2 ounces of sugar. find …
# Explanation: ## Step1: Define the relationship Let \( x \) be the amount of flour (in ounces) and \( y \) be the amount of sugar (in ounces). The relationship is proportional, s…
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question a survey conducted among guests at new performance hall asked …
Median (the option: Median)
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question what do the statistics of mode and mean measure? select the co…
B. Mode: Most frequent sales tax rate. Mean: Average sales tax rate.
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question given the following list of values, is the mean or the median …
Mean
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question given the following list of values, is the mean or the median …
Median
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what definition best matches the meaning of particular as it is used in…
d. specific
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then read this sentence from paragraph 1. for instance, a child who has…
The definition that best matches "particular" here is "specific" (or a similar definition emphasizing a distinct, individual trait).
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question find the mode of the following number of times each machine in…
5
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question the following data set provides the specific sales tax rates f…
0.061
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question find the median of the following list of prices (in thousands …
28
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question the ages at inauguration of 16 u.s. presidents are below. what…
A. 51
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the data below are the monthly average high temperatures for new york c…
63
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question estimate the mean of the number of spider webs found in random…
\(5.23\)
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question given the frequency table below for a list of the number of ho…
mean = $\boxed{10}$ holes
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10) hundredths 49.995
If we round \(49.995\) to the nearest hundredth, the result is \(50.00\). If we are just identifying the hundredths place value before rounding, it's \(9\), but with rounding, it …
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question a student would like to find the mean number of people living …
\(3.2\)
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which of the following is a key benefit of using digital collaboration …
c. They help team members to work together in real time, even from different locations. ### Question 17 (about respectful communication)
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a cashier would like to find the mean number of dairy products purchase…
3.9
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vincent has outgrown the bike he rode when he was small. so, for his tw…
\( y = \frac{4}{5}x \)
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question given the frequency table below, what is the estimated mean? d…
6.91
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question given the frequency table below, which equation shows the mean…
A. \(\frac{120}{32} = 3.75\)
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a local farm has a small grove of 18 citrus trees producing fruit that …
25.5
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an airplane has flown 260 miles out of a total trip of 500 miles. what …
$\frac{13}{25}$
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the stem-and-leaf plot below gives the test scores for mr. uzun’s engli…
(a) Fourth period range: 38; Fifth period range: 41 (b) Fourth period (c) Fourth period
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a group of high school students volunteered to help a local organizatio…
The correct equation and solution is \( y = 5.5x + 2 \), \( y = 5.5 \times 41 + 2 \), \( y = 225.5 + 2 \), \( y = 227.5 \) hours. So the correct option is the one with \( y = 5.5x…
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the following are the ages of 17 music teachers in a school district. 3…
The box-and-whisker plot is constructed with: - Minimum value at 31, - First quartile (Q1) at 36.5, - Median (Q2) at 44, - Third quartile (Q3) at 48, - Maximum value at 52, aligne…
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determine if each table represents a linear function or an exponential …
1. For table 15: This is a linear function, as each value of $f(x)$ increases by a constant 4 when $x$ increases by 1. 2. For table 16: This is an exponential function, as each va…
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find the growth or decay factor for each rate of change. 11. -45% 12. 2…
11. 0.55 (decay factor) 12. 1.23 (growth factor)
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find the percent increase or decrease that the function models. 9. $y =…
9. 23% increase 10. 25% decrease
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3. some boats were traveling up and down a river. a satellite recorded …
a. -2.55 miles b. -5 miles per hour c. Negative distances and velocities mean the boats are traveling **upstream (against the river's current)**, while positive values would repre…
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statistics practice worksheet on sample size and small sample mean inte…
Let's solve problem 1 as an example (the process is similar for other problems involving confidence intervals for small samples): ### Problem 1: Football team points scored (90% c…
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question #7 the total cost, c, of belonging to two different gyms for m…
C. The solution to the system is (4, 250). Meaning that after 4 months, both Gym A and Gym B will have the same cost of $250.
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a system of inequalities can be used to determine the depth of a toy, i…
The toy sinks at a rate of no more than a $\frac{1}{2}$ meter per second.
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17. kalla planted a total of 186 flowers in her garden. - she planted 4…
A. 67
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match each correlation coefficient to the appropriate scatter plot. the…
Top scatter plot: \(r = 0.9\) Bottom scatter plot: \(r = 0.4\)
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katerin read 10 books. the number of books roman read can be represente…
Roman read 5 times the number of books Katerin read
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which answer choice does describe the number 92,053? a. the sum of nine…
B. The sum of nine ten thousands, two thousands, and fifty three ones
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10.1 13. there are 4 people on the middle - school relay team. each of …
13. $\frac{4}{3}$ miles (or $1\frac{1}{3}$ miles) 14. $\frac{1}{3}$ 15. $\frac{135}{4}$ square feet (or $33\frac{3}{4}$ square feet)
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review: relations & functions 6.1, derive y=mx+b 6.2, interpret rate of…
1. Relation: any set of a paired input (x) and output (y). 2. Function: a rule that assigns exactly ONE input(x) to each output(y).
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question 4 1 pts using your required calculator, divide 412 by 800 and …
0.515
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question 1 please set your required calculator to the 9th decimal place…
0.740740741 ### Question 2
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the number of students enrolled at a college is 15,000 and grows 6% eac…
\( y = \boldsymbol{15000} \cdot \boldsymbol{1.06}^{\boldsymbol{x}} \)
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the number of students enrolled at a college is 15,000 and grows 6% eac…
\( 1.06 \) (and the number of students after one year is \( 15900 \)) (Note: For part (c), the blank should be filled with the growth factor \( 1.06 \) as we use the formula \( \t…
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the number of students enrolled at a college is 15,000 and grows 6% eac…
The first box (for the rate in decimal) is \( 0.06 \), and the second box (for the growth factor) is \( 1.06 \). So filling in the blanks: \( 1 + \boldsymbol{0.06} = \boldsymbol{1…
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on your own: approximate solutions with what is the estimated solution …
$(2, -3)$
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a plant will become invasive when the number of plants reaches 10,000. …
45
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suppose a city with population 300,000 has been growing at a rate of 6%…
856302
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3. use a standard inch ruler to answer each question. then, write a mul…
a. Division: $8 \div \frac{1}{2} = 16$; Multiplication: $16 \times \frac{1}{2} = 8$; Number of $\frac{1}{2}$s: 16 b. Division: $2\frac{1}{4} \div \frac{3}{16} = 12$; Multiplicatio…
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martin luther king day 1. you are driving to a mlk day parade in washin…
1. 53.14 miles per hour 2. 0.075 yards 3. Yes, 1964 is a presidential election year (it is divisible by 4) 4. 30 states; ~29 states; 45 states 5. 36 6. 5; The greatest common fact…
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what is the equation of the trend line in the scatter plot? use the two…
\(y = \frac{5}{9}x + 10\)
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what is the equation of the trend line in the scatter plot? use the two…
\(y = -\frac{3}{7}x + 70\)
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b) ( _np_5 = 13_np_4 )
$n=17$
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3. which question can be represented by the equation $? \\bullet \\frac…
1. For Question 2: 3 2. For Question 3: A. How many $\frac{1}{3}$s are in 4?
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2. at a dog shelter, a 24-pound bag of dog food will feed 36 dogs a day…
24
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14 the time t needed to complete a task varies inversely as the number …
1. For question 14: 3.5 h 2. For question 15: 28 items
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answer the question below. view the rubric linked above for help if nee…
A roll call in Congress is a vote - recording process where each member's name is called to note their vote. It protects the people by: 1) Providing transparency, as the public ca…
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evaluate each series described. 9) \\(\\sum_{m = 1}^{6} (10m - 3)\\) 10…
192
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1 of 5 which of the following best describes self - dealing in real est…
C. Recommending vendors or service providers with whom you have a financial interest
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day 97: january 30th chandler ran 18.9 miles in 1 week. if he ran the s…
2.7 miles
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day 96: january 29th kandice used 9\\frac{2}{3} cups of flour to make 2…
$4\frac{5}{6}$ cups of flour per batch