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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what does it mean for a leader to be a \dictator\?
It means a leader exercises autocratic, unilateral power, suppresses dissent, and centralizes authority without considering others' opinions or rights.
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#25 which sampling method will give you the least reliable (i.e. unbias…
D. Convenience sampling
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#24 which sampling method will give you the most reliable (i.e. unbiase…
E. Simple random sampling
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#21 which of the following graphical tools is best used for display of …
#21: A. Histogram #22: B. Bar chart, C. Pie chart #23: E. Ogive
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#19 consider this scenario: a branch manager at a wells fargo bank want…
#19: D. The average wait time for all of her bank customers #20: C. The average wait time for the 300 customers polled
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#17 consider this scenario: 1,500 american women who work for large com…
#17: C. All American women who work for large companies #18: B. The 1,500 women polled
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you randomly select one card from a 52 - card deck. find the probabilit…
$\frac{2}{13}$
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in 6 - card poker, played with a standard 52 - card deck, $_{52}c_{6}$,…
$0.999624$
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#13 in a survey of 500 students at neumann university, 90 of these stud…
C. statistical inference
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in 6 - card poker, played with a standard 52 - card deck, 52c6, or 20,3…
We need to know the number of a particular type of hand to calculate the exact probability. If the number of a particular type of hand is $x$, the probability of not being dealt t…
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#11 a professor at neumann university asked all of the students in her …
#11: C. descriptive statistics #12: D. inferential statistics
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#9 consider this claim: \there is a clear relationship between smoking …
#9 B. Inferential statistics #10 B. Inferential statistics
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#6 suppose you want to survey president trump’s approval rating among r…
## #6 D. Aston residents who are currently registered to vote ## #7 B. Inferential statistics ## #8 A. Descriptive statistics
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#4 which of the following best defines the meaning of the term: “parame…
#4: C. A data value derived from a population. #5: D. When a sample is not representative of the population it was drawn from.
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you are dealt one card from a 52 - card deck. find the probability that…
$\frac{12}{13}$
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#1 which of the following best defines the meaning of the term: “popula…
#1: B. An entire group of people, objects, or entities. #2: A. A part, portion, or subset of an entire group of people, objects, or entities. #3: D. A data value calculated from a…
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what is the meaning of \inimical\ as it is used in paragraph 6? a. host…
A. hostile
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in a five - card poker hand, what is the probability of being dealt exa…
$0.1406$
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what is the meaning of \evanesces\ as it is used in paragraph 4? a. tra…
D. vanishes
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the digits 5, 6, 7, 8, and 9 are randomly arranged to form a three - di…
$\frac{1}{10}$
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a sports journalist is trying to rank the eight best mens college baske…
The number of games won by each team.
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if you are dealt 5 cards from a shuffled deck of 52 cards, find the pro…
$0.000009$
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validate means to: demand as being ones due or property cause to seem l…
D. give evidence for
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shes actually smiling, coquettishly even; theres a hint of her former s…
D. charm
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a news website shows a scatter plot with a positive relationship betwee…
The claim wrongly assumes causation from correlation. Just because there is a positive relationship between the number of vending machines and student absences in a scatter - plot…
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a city council consists of eight democrats and seven republicans. if a …
\(\frac{28}{65}\)
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a box contains 10 transistors, 3 of which are defective. if 3 are selec…
a. $\frac{1}{120}$ b. $\frac{7}{24}$
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6. dr. teodora collects data on the heights and weights of men in a stu…
$w(h)=0.6h + 121.5$
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in a lottery, the top cash prize was $668 million, going to three lucky…
\(\frac{1}{15019150}\)
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elsewhere in africa, elephant poaching for ivory has been rampant, with…
C. prohibited
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in one lottery, a player wins the jackpot by matching all five distinct…
$\frac{1}{24730134}$
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criterion has the same or almost the same meaning as: standard nip mill…
A. standard
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a group consists of four democrats and five republicans. four people ar…
a. 126 b. 5 c. $\frac{5}{126}$
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question 19 what is the meaning of \commensurate\ as it is used in para…
A. comparable
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what is the meaning of the phrase \foray into\ used in paragraph 3? a. …
A. start of
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27. ama has 4 one - cedi notes and orders an ice cream for gh¢ 1.75 and…
27. A. GH₵1.25 28. A. GH₵1,250.00 29. B. x ≤ 2 30. B. 64s² - 49 31. D. 56800 32. B. 0 33. C. $\frac{5}{9}$ 34. C. 2² * 3² 35. C. M = {prime numbers less than 20} 36. A. $\frac{7}{…
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what is the meaning of \erudite\ as it is used in paragraph 1? a. distr…
B. knowledgeable
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ian, sergio, simone, jim, kim, eduardo, dawn, and larry have all been i…
a. \(8! = 40320\) ways for them to arrive. b. \(6! = 720\) ways for Ian to arrive first and Larry to last. c. The probability that Ian will arrive first and Larry last is \(\frac{…
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ian, sergio, simone, jim, kim, eduardo, dawn, and larry have all been i…
a. 5040 b. 120 c. $\frac{1}{42}$
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what does it mean to be a good citizen? posted thu aug 28, 2025 at 10:5…
A good citizen is someone who obeys laws, participates in community activities, respects the rights and opinions of others, and shows a sense of civic responsibility.
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unit 1 progress check: mcq questions 7 through 9 refer to the following…
B. in Vedic religions, rejecting worldly concerns in order to attain spiritual perfection was considered a virtue.
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the data set represents the number of miles mary jogged each day for th…
A. 0
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after reading several of her poems, the distinguished poet answered all…
3. notable 4. respected
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a board game uses the deck of 20 cards shown to the right. two cards ar…
The discipline is Mathematics, and the sub - field is Statistics. The probability: There are 5 yellow bird cards out of 20 cards for the first draw, and 5 frog cards out of 19 car…
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a flute instructor examined student progress. she found that playing a …
There is a correlation between song length and number of wrong notes. There may or may not be causation. Further studies would have to be done to determine this.
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select the correct answer. the number of hours slept at night is relate…
B. $y = 0.058x + 4.138$
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select the correct answer from each drop - down menu. this table shows …
The data is best modeled by the function $y = 1.73x+55.97$. Based on the linear model, the approximate height of a tree with a diameter of 22 inches is 94 feet. The correlation co…
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4. carla is a carpenter. she wants to purchase new high - quality tools…
$7515.71$
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select the word or phrase that is redundant and can be removed without …
in size
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based on the scatter plot below, which is a better prediction for y whe…
0 is not a good prediction as the points at x = 4 are not near y = 0. 10 is also not a good prediction as the points at x = 4 are not near y = 10. But if we have to choose between…
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complete the sentence with the word that best fits the overall meaning …
obsolete
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what type of correlation does the following dataset appear to have? neg…
Negative Correlation
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the data set represents the number of miles mary jogged each day for th…
0
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match each scatterplot shown below with one of the four specified corre…
First scatter - plot: a. 0.17 Second scatter - plot: b. - 0.26 Third scatter - plot: c. 0.62 Fourth scatter - plot: d. - 0.86
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a random sample of 40 college professors is selected from all professor…
a. Stem | Leaves ---|--- 2 | 0 3 6 8 3 | 0 0 1 3 5 6 8 8 4 | 1 1 2 2 4 4 5 5 7 7 7 8 9 5 | 3 4 6 8 8 6 | 0 0 1 6 b. The shape of the display reveals that the data is somewhat symm…
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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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not everyone pays the same price for the same model of a car. the figur…
68
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match each correlation coefficient to the appropriate scatter plot. the…
Left - hand scatter plot: $r=-0.4$; Right - hand scatter plot: $r = 0.2$
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determine whether the approximate shape of the distribution in the hist…
A. The shape of the distribution is approximately uniform because the bars are approximately the same height.
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the histogram shows the number of morning customers who visited north c…
The north restaurant can expect about 55 morning visitors.
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the box plots show the data distributions for the number of customers w…
4
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read the excerpt from ronald reagans tear down this wall speech. as i l…
The repetition emphasizes the principles of freedom.
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which statement is true about the ranges for the box plots? number of s…
None of the given options are correct. If we assume some mis - interpretations (wrongly taking the start of the box part as minimum for morning), the range of the Morning box plot…
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the circle graph to the right shows each regions percent of a country. …
87
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the data set represents the total number of tuba players in each of 11 …
B. 3
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a variety of two types of snack packs are delivered to a store. the box…
The number of calories in the packs of trail mix have a greater variation than the number of calories in the packs of crackers.
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the data set below has a lower quartile of 13 and an upper quartile of …
The greatest value, 78, is the only outlier.
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the interquartile range of the data set is 4. 2,2,3,3,4,5,5,6,7,9,12 wh…
Twelve is not an outlier because it is less than the sum of 7 and 6.
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the box plot represents the number of minutes it takes for the students…
5
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the box plot represents the number of minutes customers spend on hold w…
C. 6
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which statement is true about the box plots? number of incorrect questi…
Both the ranges and the interquartile ranges for the data sets are the same.
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match each scatterplot shown below with one of the four specified corre…
b. - 0.26
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students were asked how many pairs of shoes they owned. their responses…
7
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an amusement park reports that the probability of a visitor riding its …
\(P(\text{largest or smallest}) = 0.30 + 0.20-0.15\)
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titus works at a hotel. part of his job is to keep the complimentary pi…
160 minutes
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ms. sutton recorded the word counts and scores of the top ten essays in…
Word count tends to decrease as the score decreases.
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payton collected data to show the relationship between the number of ho…
-4.5
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a month of the year is chosen at random. what is the probability that t…
$\frac{5}{12}$
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an airline gathers data on late departures and early arrivals over a mo…
$P(\text{late departure or early arrival}) = 0.12 + 0.27-0.04$
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the graph and table shows the relationship between y, the number of wor…
3,000
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lydia runs an experiment to determine if a coin is fair by counting the…
50
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the box plot represents the number of minutes it takes for the students…
5
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the interquartile range of the data set is 4. 2,2,3,3,4,5,5,6,7,9,12 wh…
Twelve is not an outlier because it is less than the sum of 7 and 6.
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the box plot compares the number of events that mrs. cais and mr. rolan…
Mr. Roland's class was more successful because his class's lower quartile was the same as Mrs. Cai's class's upper quartile.
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which statement is true about the box plots? number of incorrect questi…
The interquartile ranges for the box plots are the same, but their ranges are different.
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read the excerpt from act 1, scene 2, of julius caesar. brutus. what me…
Brutus tells Cassius that Caesar should not be king
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what is one central idea in martin luther king jr.s \i have a dream\ sp…
Nonviolence is an important tactic to use in the fight for justice.
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the box plots show the weights, in pounds, of the dogs in two different…
Shelter A
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annual high temperatures (celsius) in a certain location have been trac…
For each additional year, the annual high temperature will increase by 0.072 degrees on average.
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hawaii is made up of about 132 islands. it was settled in the first - c…
1. customs
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what do the words partial, palatial, and potential have in common? they…
They have the same suffix.
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the box plots compare the number of students in mr. ishimotos classes a…
Both box plots show the same interquartile range. Mr. Ishimoto had the class with the greatest number of students.
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which statement is true about the ranges for the box plots? number of s…
The range of the Morning box plot is the same as the range of the Afternoon box plot.
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a researcher wants to find out if u.s. adults still support the death p…
B. -1
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a tire manufacturer has a 60,000 - mile warranty for tread life. the ma…
C. Fail to reject $H_0$
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a researcher wants to find out if there is a significant difference bet…
A. The results are statistically significant.
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the graph represents a distribution of data. what is the mean of the da…
D. 50
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the table shows the ages and weights of babies at a hospital. newborn c…
positive
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elizabeth brought a box of donuts to share. there are two - dozen (24) …
$\frac{15}{92}$
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1. what is the intended meaning of grace, a homonym, as it is used in t…
1. C. free and unmerited favor from God, in Christian belief 2. B. "a prayer for" 3. D. It has the positive connotation of God's unconditional love and forgiveness.