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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determine whether the following statement is true or false. if the stat…
B. The statement is false. It should be changed to $x\leq12$.
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use the pie chart to answer the following question. what is the total n…
$2500$
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42. marvin will roll a standard 6 - sided die. what is the probability …
$\frac{1}{3}$
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47. marvin will roll a standard 6 - sided die. what is the probability …
$\frac{5}{6}$
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britney will flip a coin and then roll a standard 6 - sided die. this t…
$\frac{1}{12}$
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1. match the question to the correct vocabulary word. 1. which word mea…
1. f. Endear 2. b. Infamy 3. i. Innate 4. d. Benign 5. j. Dubious 6. a. Embody 7. h. Ubiquitous 8. c. Pseudo 9. e. Commensurate 10. g. Fusion
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a school surveyed 7th and 8th graders to see where they would like to g…
Of those surveyed, 30% prefer to go to the science museum and are in the 8th grade.
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here is a fdt for a small data set: data freq 29 1 30 3 31 2 32 3 33 11…
mean = 32 median = 33 mode = 33 midrange = 31
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29 randomly selected students were asked the number of movies they watc…
3 34.4828 4
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69 randomly selected students were asked the number of pairs of shoes t…
7.5652 8 2.3482 5.5 10 27.5362 9
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adult men have heights with a mean of 69.0 inches and a standard deviat…
79.8991
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question 7 for a 4 - unit class like statistics, students should spend …
a) 9.5 hours and 14.5 hours b) 7 hours and 17 hours c) 4.5 hours and 19.5 hours
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please find the range, sample standard deviation and inter - quartile r…
Original range = 41, standard deviation (s) = 12.7, IQR = 19 New range = 190, standard deviation = 54.2, IQR = 23 IQR
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find the range and standard deviation. the table below gives the number…
Range = 9, Standard Deviation = 2.9770
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the economy of lunaria is defined by the private ownership of the means…
C. mixed market
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question 2 this data is from a sample. calculate the mean, standard dev…
Sample Mean = 28.87 Sample Standard Deviation = 14.51 Sample Variance = 210.41 Population Standard Deviation = 13.43
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which of the following is a defining feature of free markets? the gover…
The government does not interfere in any way with the economic decisions of buyers and sellers.
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the ages of valentinas five cousins are listed below. 8 12 6 16 15 1) c…
1) 11.4 2) | x | x - μ | (x - μ)² | |----|-------|----------| | 8 | -3.4 | 11.56 | | 12 | 0.6 | 0.36 | | 6 | -5.4 | 29.16 | | 16 | 4.6 | 21.16 | | 15 | 3.6 | 12.96 | | | Σ(x - μ)²…
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question 6 of 10 one role of team leaders is to facilitate discussion. …
D. To help discussions run smoothly
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read the passage from chapter 8 of the prince. agathocles, the sicilian…
The evidence uses stories of historical figures to support the claim.
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on a standardized exam, the scores are normally distributed with a mean…
$0.4$
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1. the students in a class collected data on the number of minutes some…
2.25
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the graph below represents results of a survey in which students stated…
2
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determine whether the results below appear to have statistical signific…
C. No, the program is not statistically significant because the results are likely to occur by chance.
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a line of best fit was drawn to the plotted points in a data set below.…
20
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select the word or phrase that is redundant and can be removed without …
and burn
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select the word or phrase that is redundant and can be removed without …
approximately
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close read: analyze the text identify the choice that best answers the …
B. It is swarming with people.
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the most common reason given for eliminating the penny is that the coin…
None of the above options are correct. The paragraph provides evidence to support the claim that the penny is essentially worthless in today's marketplace by comparing its past an…
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determine if the statements about the effects of railroad expansion in …
The expansion of railways meant manufacturers could ship goods cheaply. - True The building of the railroads changed the environment of the West. - True The lifestyle of American …
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a free negro of the african race, whose ancestors were brought to this …
"not a 'citizen' within the meaning of the Constitution of the United States" "they were not regarded in any of the States as members of the community" "not numbered among its 'pe…
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the development of a system of mass production in manufacturing meant t…
machines rapidly produced large amounts of products.
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listed below are amounts (in millions of dollars) collected from parkin…
13.3
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3. kate is a professional musician. she wants to make an essential purc…
a. $679.63$ b. $689.5$ c. $699$
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the box plot below represents some data set. what is the interquartile …
40
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suffix list -ee = one who has; one who does -ette = small -et = small -…
No correct option among the given ones.
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identify the type of sampling used (random, systematic, convenience, st…
C. Systematic sampling
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state whether the data described below are discrete or continuous, and …
A. The data are discrete because the data can only take on specific values.
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in the music industry, revenue from sales of cds has been declining in …
$(5,678.5)$
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20. personal finance is 20% head knowledge and 80%___. behavior attitud…
20. Behavior 21. Make sure you're sticking to your budget. 22. You are able to slow down and think through your motives before buying something.
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read the sentence. we knew algerynn must be angry because her features …
B. furious
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14. describe a scene from the book where the mood changes suddenly. not…
14. [Describe a scene from a known book where mood changes suddenly and mention text details.] 15. When Rifka says she is "wandering between two worlds", she means as an immigrant…
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burdens and benefits must be distributed evenly. this means that at one…
C. Justice
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first read: concept vocabulary identify the choice that best answers th…
D. The team kept playing as hard as they could.
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key: 1 | 8 represents a species of turtle whose average lifespan is 18 …
B. 1
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the accompanying data are 45 commute times to work in minutes for worke…
A. No, because the frequencies start at a maximum and become low, and because the distribution is not symmetric.
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question 22 of 23 click to read the passage from the perils of indiffer…
B. He strongly states opinion
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c. he drives an expensive, modern car. d) he references current news he…
4. Without the story, cannot be determined. 5. Without the story, cannot be determined. 6. C. nostalgic 7. C. "He didn’t knock; he knew it would be unlocked." 8. Without the story…
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c. he drives an expensive, modern car. d) he references current news he…
4. A. The persistence of the past 5. B. It shows her longing for connection with her own memories. 6. C. nostalgic 7. C. “He didn’t knock; he knew it would be unlocked.” 8. C. con…
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in this part of the selection, what does the word \store\ mean? a look …
B. put away for future use
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remembering and reflecting on the holocaust pre - test complete what me…
By being presentable and appearing able - bodied, the individuals still had hope they could escape a terrible fate.
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1. (dok 1, rl.10.1) what is the approximate setting in time for “where …
1. No information is given to answer this question precisely. 2. B. unknown 3. B. He uses an archaic word that the narrator hasn't heard in years.
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name: gfevi date: class period: \verses upon the burning of our house\ …
1. Definition: Without help or aid; Synonym: helpless 2. Definition: Destroy completely by fire or other means; Synonym: devour 3. Definition: Deprived of or lacking something; Sy…
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postulates, definitions, conjectures, and theorems each have distinguis…
A postulate is assumed to be true, and it does not have to be proven.
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13. *prepared* means: a) ready for something b) forgetful and lost c) t…
13. a) Ready for something 14. a) He studied and felt prepared for the test. 15. a) A joke or activity to help people relax 16. a) The teacher used an icebreaker so students could…
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prior knowledge questions (do these before using the gizmo.) 1. four ki…
1. Answer depends on personal experience. 2. Textbooks, news, business reports. 3. Simplify data, show trends and comparisons.
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these two sentences have one difference: one has a comma. think about w…
1. Someone is asking Grandma to eat with us. 2. Someone is suggesting we eat Grandma.
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these two sentences have one difference: one has a comma. think about w…
Someone is asking Grandma to eat with us
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what is the correct meaning of the word abide? when we visit grandmas h…
C. submit to
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last year, paul played on a traveling volleyball team. he kept track of…
$\frac{3}{4}$
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peters pizza place serves thin crust pizza and deep dish pizza. peter, …
deep dish
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tori is getting ready to run a marathon. she kept track of the lengths …
To determine the correct box - plot, we need to find the five - number summary (minimum, first quartile $Q_1$, median, third quartile $Q_3$, maximum) of the data set $\{6,7,8,8,11…
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the organizers of the red maple college fun run gathered data about the…
75
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gretas golfland is a popular spot for miniature golf. golfers like that…
easy
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charlie and his brother david kept track of how many movies they watche…
Charlie
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mrs. clark, a gym teacher, recorded the number of laps each student ran…
First, we need to find the five - number summary (minimum, first quartile $Q_1$, median, third quartile $Q_3$, maximum) of the data set: 5, 9, 7, 8, 7, 6, 8, 8, 5, 8, 5, 9, 10, 9,…
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the table above summarizes the results of 200 law school graduates who …
B. \(\frac{7}{25}\)
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8.) the scatter plot below compares the math and science scores of twel…
B. 80
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some students in mr. hakims class recorded the number of movies theyve …
4.73
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probability: addition rule mallory cameron addition rule probability an…
a) \(0.42\) b) \(0.38\) c) \(0.2\)
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sults on the bar exam of law school graduates the table above summarize…
B. \(\frac{7}{25}\) ### 8.
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at music camp, addison tracked the number of minutes she practiced her …
70
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each member of the spring valley scouts recorded the number of wrapping…
15
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fit challenges organized an obstacle course for adults. they tracked th…
260
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the timber valley times recorded the number of newspaper deliveries on …
70
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linda kept track of her times in the 50 - meter freestyle at her teams …
60
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coach jennings recorded the number of goals the hockey team scored in e…
8
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gerts groceries recorded the total amount of sales each day. total sale…
$7000$
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question 10 of 11 how can body language, tone of voice and eye contact …
They can communicate a positive energy which can mean more interest and enthusiasm for the job.
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jen works at a library. one afternoon, she counted the number of books …
31
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find the probability that a randomly selected student was in athletics …
6
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why does the author choose to contrast the success stories of later sch…
C. To show that making school start later is a practical way to address the problem of teens not getting sleep
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find the probability that a randomly selected student was in athletics …
No
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19. how does the writer provide a clue to the meaning of conjecture? th…
19. The writer ties conjecture to the word guess. 20. The writer tells us that Batman still has the power to excite us.
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19. how does the writer provide a clue to the meaning of conjecture? * …
19. The writer ties conjecture to the word guess. 20. The writer tells us that Batman still has the power to excite us.
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14. when the author tells us of batmans ferocity in the early stories a…
14. ferocity relates to fierceness 15. take wrongly
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12. in the passage, the prologue to salmans decision was * - what happe…
12. a preceding event 13. tending to examining one's own thoughts and feelings
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8. in the passage, felicitous means * heroic evil suitable territorial …
8. C. suitable 9. B. lack moral restraint
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14. when the author tells us of batmans ferocity in the early stories a…
14. C. ferocity relates to fierceness 15. B. take wrongly
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8. what is the second foundation? get out and stay out of debt save a $…
8. Save a $500 emergency fund. 9. Young people 10. True
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12. in the passage, the prologue to batmans decision was * what happene…
12. his plan to avenge his parents' deaths 13. tending to examining one's own thoughts and feelings
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7. when we read in the passage about the intricate narration of the lea…
7. highly detailed 8. suitable
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what is the following an example of? puritans had certain beliefs about…
- What is the following an example of? Answer: a fused sentence - Why are run - on sentences problematic? Answer: - Run - on sentences make text more difficult to read - Run - on …
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probability: addition rule mallory cameron example with \and\: you exam…
$\frac{1}{6}$
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what is the mean? 7 4 4 5 1 9
5
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use this dictionary entry to answer the question. seam: a line formed w…
A. dressmaker
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multiple choice question 5 analyze the graph below. which variable is o…
B. Audience Members With Popcorn
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karen is trying to analyze the grades shes earned so far this year. she…
Mean: 2.66 Median: 3 Mode: 3
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eva asked some of her classmates how far they live from school. this li…
2
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jeff and his dad went fishing. they measured the length of each fish th…
1