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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choose the correct answer. given the mean of a data set is 7 and the st…
5 to 9
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given the mean of a data set is 20.6 and the standard deviation is 2.2,…
18.4 to 22.8
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30 multiple choice 2 points which of the following was a belief held by…
B. Slavery should be abolished by violent means, if necessary.
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a sixth - grade class had a bowling party. below are the scores of the …
C
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which lines from beowulf help develop the theme that a hero should win …
D. Now I mean to be a match for Grendel, / settle the outcome in single combat. (lines 160 - 161)
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reason and evidence vocabulary - match each term to its correct definit…
1. D. writing that shares and supports an opinion about a topic 2. C. a statement that tells the main idea of an argument 3. A. a fact, statistic, quotation, etc. that supports a …
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find the range of this data set: 64, 43, 38, 60, 57, 34, 52
\(30\)
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find the range of this data set: 48, 71, 86, 92, 47, 56, 99
\(52\)
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find the range of this data set: 35, 31, 22, 27, 40, 36, 22
\(18\)
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find the range of this data set: 41, 45, 52, 42, 40, 44, 53, 56
16
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find the range of this data set: 28, 24, 32, 45, 34, 28
\(21\)
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from a voice from the south a stream cannot rise higher than its source…
4. A final outcome will have similarities to the elements used to achieve it.
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find the mode of this data set. 15, 13, 2, 8, 13, 4, 13
13
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find the mode of this data set. 11, 7, 9, 7, 15, 7
7
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find the mode of this data set. 6, 12, 15, 8, 3, 12
12
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peter foi ao encontro de natação de sua escola para torcer pela equipe.…
The box - plot with the box starting at 54, ending at 58, the line inside the box at 56, and whiskers extending to 50 and 60.
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martha trabalha em uma creche para cães. por duas semanas, ela contou o…
The box - and - whisker plot that has the left side of the box at 40, the middle line in the box at 60, the right side of the box at 69, the left whisker starting at 30 and the ri…
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quando a temporada de atletismo começou, o treinador calhoun registrou …
When the season started
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the manager at a movie theater collects data on comedy and action movie…
52.4%
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o centro histórico de snowy pines acompanhou a quantidade de neve que c…
$\frac{1}{4}$
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question 14, 9.1.37 calculate the correlation coefficient r, letting ro…
$-0.227$
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the mountain view ski resort kept track of the number of visitors they …
75
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find the median of this data set. 82, 35, 43, 53, 72, 10, 54
$53$
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the graph below shows the number of downloads, in millions, for various…
(a) Snapchat (b) 9.6%
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find the median of this data set. 52, 30, 17, 32, 14, 49, 9
$30$
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dominic trabalha na piscina local. ele registrou o número de nadadores …
The box - and - whisker plot with the box starting at 70, ending at 90, a line inside the box at 80, and whiskers extending to 50 and 100.
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find the median of this data set. 23, 6, 87, 1, 23, 59, 14
$23$
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o time de basquete cougars vendeu latas de pipoca com sabor como arreca…
\(\frac{2}{5}\)
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find the median of this data set. 97, 98, 32, 31, 72, 88, 86, 65
$79$
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find the median of this data set. 85, 40, 68, 37, 90, 66, 60, 72
$67$
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question 10, 9.1.32 - t the maximum weights (in kilograms) for which on…
The new correlation coefficient $r$ is increasing from $- 0.946$ to $-0.962$.
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recent data from the bureau of labor statistics showed that the median …
$79.7$
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cora got a new pedometer. it keeps track of how many steps she walks ea…
We need to check which box - plot has the minimum at $5500$, $Q_1$ around $6842$, median at $8000$, $Q_3$ around $8523$ and maximum at $9000$. Without the actual options clearly l…
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why was carnegie steel able to offer its product at a lower price than …
Carnegie owned the raw materials, factories, and distribution.
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cora got a new pedometer. it keeps track of how many steps she walks ea…
The box - plot that has the left - most whisker at 5500, the left side of the box at 7000, the line inside the box at 8000, the right side of the box at 8500, and the right - most…
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the heights (in inches) of 8 high school students and their scores on a…
0.350 (This is a made - up value for illustration purposes as the actual data set is not provided. In a real - world scenario, you would calculate the new $r$ value using the form…
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29. check each data set for outliers. a. 16, 18, 22, 19, 3, 21, 17, 20 …
a. of 29: 3 is an outlier. b. of 29: 54 is an outlier. c. of 29: No outliers. a. of 30: No outliers. b. of 30: 145 is an outlier. c. of 30: No outliers.
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recent data from the bureau of labor statistics showed that the median …
$116.0\%$
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last year, greg got a new job managing the gift shop at the bern valley…
75
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last year, greg got a new job managing the gift shop at the bern valley…
75
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the cougars basketball team sold tins of flavored popcorn as a fundrais…
$\frac{1}{2}$
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um veterinário pesou uma ninhada de filhotes recém - nascidos. pesos do…
The box - and - whisker plot with the minimum value at 200, the first quartile (Q1) at 220, the median (Q2) at 240, the third quartile (Q3) at 260, and the maximum value at 280 re…
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harper trabalha como fotógrafo para o bay valley notícias, que é public…
75
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the brinklan bakery is a popular spot for sweets. the owner tested two …
choco chili brownies
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emilio works for the parks department of west palm city. he tracked how…
50
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emilio works for the parks department of west palm city. he tracked how…
50
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at the hill valley aquarium, visitors can upgrade their ticket to inclu…
movie
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at music camp, addison tracked the number of minutes she practiced her …
70
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the snowy slopes ski resort kept track of the amount of snow that fell …
$\frac{1}{4}$
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johnny está treinando para uma corrida de bicicleta. ele registrou a di…
Based on the above analysis, the correct box - and - whisker plot is the one where the box starts at 12, the middle line of the box is at 14, the box ends at 18, and the whiskers …
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mrs. clark, a gym teacher, recorded the number of laps each student ran…
The box - plot with minimum at 5, $Q_1$ at 6, median at 8, $Q_3$ at 9 and maximum at 10 represents the data. Without seeing the full set of box - plot options, we can say that the…
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cada jogador do time de futebol de matthew traz uma garrafa de água par…
$\frac{1}{4}$
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dougies donuts tracked the number of donuts each customer ordered for a…
6
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gretas golfland é um local popular para minigolfe. os jogadores de golf…
duro
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gerts groceries recorded the total amount of sales each day. total sale…
$7000$
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coach jackson measured the height of each player on the springfield mid…
10
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jayla é a gerente do super sandwiches. ela registrou o número de sanduí…
The box - and - whisker plot with the minimum at 50, the lower quartile (Q1) at 70, the median (Q2) at 100, the upper quartile (Q3) at 120, and the maximum at 150. (Since the plot…
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last year, lola kept track of how long she volunteered at the animal sh…
10
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last year, winston tracked the amount of money he spent on groceries ea…
60
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fit challenges organized an obstacle course for adults. they tracked th…
260
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14 the following reflection paragraph did not receive full credit. read…
14. A. The student did not include any of their own thoughts into the paragraph. 15. B. disobedient 16. B. deconstructing the prompt, brainstorming, outlining 17. B. Explain the d…
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the fox river fishing club held its annual bass fishing contest last we…
3
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mr. pearson drives a bus for the city of greenwood. last month, he kept…
50
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angie babysits to earn extra spending money. she recorded how much mone…
$40$
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mitchell is on his schools track team. he recorded his times in the 100…
23
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fill in the blank 1 point sample annual salaries (in thousands of dolla…
$10.6$
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for a month, mrs. mccoys science class recorded the low temperature eac…
56
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for his statistics project, martin recorded the weights of some apples.…
50
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coach lucas kept track of the number of shots each basketball player to…
16
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multiple choice 1 point the average height for the players on a high sc…
B. Every player on the team is 72 inches tall. ### 6.
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multiple choice 1 point hannah and arjun know that many low - income co…
Turn a vacant lot into a community garden where residents could grow produce.
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sofia is learning to play the trumpet. her teacher asked her to record …
The box - plot with a whisker starting at 10, the box starting at 15, the line inside the box at 20, the box ending at 25 and the whisker ending at 35.
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nolan reports the weather for tv 12s popular afternoon news show. last …
Hooverville
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mr. wells, a science teacher, recorded his students scores on their las…
6
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the timber valley times recorded the number of newspaper deliveries on …
70
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the principal of oceanside middle school recorded the number of student…
26
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the first computerized spreadsheet, dan bricklins visicalc, improved fi…
B. adjustments, prior
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question 1 contradict (v.) comes from the root word dic, dict, dit mean…
Question 1: C. contra, contro, counter Question 2: 1. b. trust 2. h. from, away, apart 3. g. fault, blame 4. a. grieve 5. d. against 6. f. sleep 7. c. color 8. e. two
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who crossd the rocky mountains, didnt freeze ands got a gold mine! what…
B. It links the grandeur of nature with material wealth.
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read the passage from animal farm. on the third sunday after snowballs …
Snowball is used as a scapegoat. Squealer uses glittering generalities to describe Napoleon's tactics.
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the accompanying data set lists diastolic blood - pressure measurements…
Stemplot: 6 | 0 2 4 6 6 6 8 7 | 0 0 0 0 2 2 2 4 6 6 6 6 8 8 | 4 8 9 | 0 4 6 Values closest to the middle: 72, 72
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there are 40 lines in the poem. the poem is numbered every 5 lines. the…
2. It reveals the irony that the wood was intended to burn in a fireplace but now burns in a different way.
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1. individuals can also support this shift in mindset by imagining spec…
C. by applying the term to individuals rather than to corporations
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identify if the example is describing a horizontal merger, vertical mer…
1. Conglomerate 2. Horizontal merger 3. Vertical merger 4. Horizontal merger 5. Vertical merger 6. Horizontal merger
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“you want a thing done? here follows host, of which vicksburg is the ke…
C. Taking Vicksburg would split the Confederacy in two and cut off a vital supply route as well as opening the river to Northern traffic.
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read the passage from chapter 5 of animal farm. on the third sunday aft…
He uses reversal to show that dictators do not abide by their principles. He uses Squealer's character to parody an indifferent follower of a corrupt leader.
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study the poster created by the centers for disease control and prevent…
The phrase "Handwashing is IN" means that it is in fashion for people to wash their hands.
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state whether each sentence is true or false. if false, replace the und…
1. False, replace "number" with "variable". 2. True 3. True 4. True 5. False, replace "equation" with "ratio". 6. True 7. False, replace "increase" with "decrease". 8. True
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read the dictionary entry. head \\hed\\ n 1. the uppermost or forwardmo…
Cannot be determined without paragraph 6.
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the data represents the heights of eruptions by a geyser. height of eru…
A. 60, 61
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1. in order to write an equation to solve a problem, identify the unkno…
- In order to write an equation to solve a problem, identify the unknown for which you are looking and assign a(n) **variable** to it. 2. # Brief Explanations: - This is the corre…
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the table lists weights (pounds) and highway mileage amounts (mpg) for …
D.
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fill in the blank. in a graph, if one or both axes begin at some value …
a non - zero axis
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fill in the blank. a ____ is a graph of each data value plotted as a po…
dotplot
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a study was conducted to determine how people get jobs. the table below…
A. The Pareto chart is more effective.
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a study was conducted to determine how people get jobs. the table below…
The pie - chart where the yellow slice (representing mass - mailing) is the largest.
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103. a baker rolls a piece of dough into a cylinder 15 inches long and …
1. **For the volume - related problem (Question 103):** - **Step - by - Step Format**: - **Explanation**: - **Step 1: Recall the volume formula for a cylinder** - The volume formu…
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the last digit of the heights of 58 statistics students were obtained a…
A. The data appears to be reported. Certain heights occur a disproportionate number of times.
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the last digit of the heights of 58 statistics students were obtained a…
D.
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weights of 67 college students in kilograms in september of freshman ye…
The frequency distribution is very likely not a normal distribution because the frequencies start low, increase, and then decrease, but are not roughly symmetric.