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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read the excerpt from votes for women, a speech by mark twain from 1901…
I should like to see the time come when women shall help to make the laws. I should like to see... the ballot, in the hands of women.
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read the excerpt from \votes for women,\ a speech by mark twain from 19…
None of the options are correct. However, if we assume a correction in Option 3 (if the ellipsis was used within a clause for proper shortening), but as per the given options, the…
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in this economic system, the means of production and distribution are p…
Capitalism
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fill in the blanks to complete each sentence with the appropriate word.…
1. who 2. whom 3. who
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daniel is working on paying off a loan that he took out for graduate sc…
Plot the points \((0, 2000)\), \((1,1900)\), \((2,1800)\), \((3,1600)\), \((4,1500)\), \((5,1500)\), \((6,1400)\), \((7,1200)\), \((8,1000)\), \((9,900)\), \((10,900)\), \((11,800…
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5. the word multipurpose = multi + purpose. the word multipurpose means…
having many uses
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which describes the relationship between the x - and y - values in the …
A. no association
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are to roll a fair die ( n = 113 ) times, each time observing if the to…
\(0.7128\)
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3. the word multicultural = multi + cultural. the word multicultural me…
relating to the traditions and beliefs of people from different nationalities
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2. write one sentence that correctly uses the word multimedia. * of mul…
"The city's multicultural festival showcases the traditions and beliefs of people from different nationalities."
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select the tables that show a proportional relationship between x and y.
Only the first table shows a proportional relationship.
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(1 point) you are to roll a fair die ( n = 113 ) times, each time obser…
- (a) Mean: \(18.8333\), Standard deviation: \(3.9613\) - (b) Mean \(\mu_{\hat{p}}:0.1667\), Standard deviation \(\sigma_{\hat{p}}:0.0350\) - (c) \(0.7140\) - (d) \(0.0591\)
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6. during the renaissance, a strong belief in humanism emerged. humanis…
D. that the individual has importance and his achievements should be celebrated
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you have a hypothesis that women own more pets than men. after surveyin…
There is not enough information to either support or reject the hypothesis.
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using technology to calculate standard deviation henry recorded the num…
\(18.5\)
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what is the purpose of the women, infants, and children program? o to p…
to provide food and medical services to low - income pregnant women, nursing mothers, infants, and children
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which people qualify for medicare benefits? o u.s. citizens who are und…
individuals who are 65 and older
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identify the statistical question. a how many cartons of milk are in th…
D. How many inches of snow fell in Albany, Boston, and Baltimore?
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adimas found the mean of her 11 math test scores for the first semester…
Variance \(\sigma^{2}\approx80.45\), Standard deviation \(\sigma\approx8.97\)
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data was collected on the sale of ice cream cones and air conditioners.…
B. We can conclude that sales of ice cream cones and air conditioner are positively correlated; E. It is likely that the increase in the sales of both ice cream cones and air cond…
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cara computes the mean and variance for the set 87, 46, 90, 78, and 89.…
Cara made a mistake in squaring \((46 - 78)\). It should be \((- 32)^{2}=1024\) instead of \(-(32)^{2}\) in the second step of her calculation.
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which of the distributions is left skewed?
The third distribution (the one with \(x\) - values \(78,80,82,84,86,88,90,92,94,96,98,100\)) is left - skewed.
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which of the following sentences best describes a sphere of influence i…
It gave a nation exclusive trade rights in a particular region of China.
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in this economic system, the government owns and controls the means of …
Socialism
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question # 5 multiple choice warehouse zones are like smaller versions …
B. False
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consider the standard normal curve given. the mean is the standard devi…
The mean is \(30\). The standard deviation is \(5\). The data point \(37\) is more than one standard deviation from the mean.
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when completing career matching, what does it mean if many of your char…
this career is unlikely to be a good fit for you
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a poll of n voters is to be taken in an attempt to predict the outcome …
Lower Bound = $0.6441$ Upper Bound = $0.7207$
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algebra unit 2 quick quiz #2 lessons 4 - 7 rn.1, rn.2 name: date: 1. wh…
\(2^{\frac{1}{5}}\) is the fifth - root of 2. When we use the product rule \(a^m\times a^n=a^{m + n}\) for \(2^{\frac{1}{5}}\cdot2^{\frac{1}{5}}\cdot2^{\frac{1}{5}}\cdot2^{\frac{1…
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every year, tens of millions of court cases are filed in the united sta…
Most cases in the United States are filed in state courts. This is due in large part to the jurisdiction of each system. Jurisdiction means the types of cases that each court make…
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which of the distributions is right skewed?
The second histogram is right - skewed.
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(1 point) an environmentalist wishes to survey canadians to determine w…
The proportion of all Canadians who support strict environmental controls on the Oil and Gas Industry is 95% confident to be somewhere between \(63.71\%\) (lower bound \(0.6371\ti…
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an environmentalist wishes to survey canadians to determine what percen…
The proportion of all Canadians who support strict environmental controls on the Oil and Gas Industry is between \(65.71\%\) (from the lower bound \(0.6571\)) and \(72.57\%\) (fro…
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the average estimated hours a person in the united states spent playing…
The variance of this data set is \(543\). The population standard deviation for this data set is \(23\).
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an environmentalist wishes to survey canadians to determine what percen…
Lower Bound = $0.6571$ Upper Bound = $0.7257$
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once checked in at the ticket kiosk, the amount of time it takes a airl…
The distribution of \(\bar{X}\) is approximately Normal with a mean \(\mu_{\bar{X}} = 38\) minutes and a standard deviation \(\sigma_{\bar{X}}\approx6.01\) minutes.
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the average january surface water temperatures (°c) of lake michigan fr…
0.760
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question 15 (1 point) which correlation coefficient is most likely to d…
-.62
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you have information to suggest that a certain continuous variable of a…
\(0.5693\)
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you have information to suggest that a certain continuous variable of a…
The distribution of \(\bar{X}\) is approximately Normal (by the Central Limit Theorem since \(n = 54\geq30\)) with a mean \(\mu_{\bar{X}} = 13.24\) and a standard deviation \(\sig…
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true or false 1. the word renaissance means ebirth.\ 2. humanism placed…
1. True 2. False 3. True 4. True 5. True 6. True 7. True 8. False 9. True 10. True 11. False 12. True 13. True 14. False
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miranda is conducting a poll to determine how many students would atten…
twenty names from each grade pulled blindly from a container filled with the names of the entire student body written on slips of paper
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the graph represents a distribution of data. what is the mean of the da…
\(50\)
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steve determined the number of states each of his friends has visited. …
The data is skewed right and shows that half of Steve's friends have visited 10 to 40 states.
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sam kept track of the number of problems he was assigned for his math h…
The data is skewed and shows that half of the assignments contained 15 problems or fewer.
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the graph shows a distribution of data. which statement about the data …
A value of \(0.9\) is more than \(2\) standard deviations from the mean.
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the graph shows the relationship between the price of frozen yogurt and…
13
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which best describes the strength of the model with an r - value of - 0…
a strong negative correlation
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the equation for the line of best fit is $f(x)=1.8x - 5.4$ for the set …
20
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the table shows the probabilities of certain prizes in a restaurants co…
It increases the mean value of the prizes.
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click or tap on any word or words that should be followed by a comma. i…
No Errors
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garth is packing boxes with books. the list shows how many books are in…
The mean number of books to a box is 11.
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the box plot represents the number of math problems on the quizzes for …
10
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the mean score on a physics test was 75 points. amys score was 67 point…
16
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the table shows the average number of hours of daylight per day for the…
-0.993
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which data set has an outlier? 6, 13, 13, 15, 15, 18, 18, 22 4, 4, 4, 8…
\(3,6,7,7,8,8,9,9,9,10\)
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marisa recorded the number of hours she babysat each day last summer. s…
The data is skewed and shows that she was equally likely to work more than 3.5 hours or less than 5 hours.
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a citizen is an individual who also belongs to a larger community. citi…
- "As citizens of this democracy, you are the rulers and the ruled...": Citizens have the power to shape government as well as an obligation to follow the laws. - "The American id…
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if a new data point at 12 is added to the graph, which will be true? th…
The mean will increase, and the median will stay the same.
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one job of the judicial branch, or court system, of the united states i…
- "regulate": Does Congress have the power to pass any law about trade or only certain trade laws? - "commerce": Does Congress's power apply to trade done by land, by sea, or both…
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the data set represents the number of snails that each person counted o…
\(22\) is within the calculated boundaries (\(-1<22<31\)), \(6\) is within the boundaries (\(-1 < 6<31\)), \(11\) and \(15\) are not in the original data set. But if we consider t…
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which is most likely the correlation coefficient for the set of data sh…
\(-0.21\)
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1 graphs of two equations here are two graphs that represent situations…
1. a. The \(450\) is the \(y\) - intercept (the value of \(a\) when \(t = 0\)) of the first graph. The \(-20\) is the slope of the first graph. b. \(450\) is the initial amount of…
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select features that you want on the grid. then click on the grid where…
\(24\)
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the first amendment is a critical part of the bill of rights because it…
It ruled that to be prohibited, speech had to be likely to cause unlawful activity.
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benvoolio: what sadness lengthens romeos hours? romeo: not having that,…
The girl does not like him.
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question 7 1 pts being trustworthy means ____. arrive at work on time, …
arrive at work on time, every day
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6. coal exports the graph shows the annual coal exports from u.s. mines…
a. The rate of change is \(-8.5\) million short - tons per year. Coal exports decreased at an average rate of \(8.5\) million short - tons per year between 2000 and 2002. b. The r…
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(b) subtract. 1 - p(not x) = (c) select the answer that makes the sente…
\(P(X)\)
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try again your answer is incorrect. a wheel has 8 equally sized slices …
For event \(X\): - Outcomes: Check the boxes for 4 and 7. - Probability: \(P(X)=\frac{1}{4}\) For event \(not - X\): - Outcomes: Check the boxes for 1, 2, 3, 5, 6, 8. - Probabilit…
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read the question carefully and select the best answer. which meaning o…
C. I adjective I relating to channels of mass communication, such as newspapers and television
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ead the selection, and choose the best answer to each question. from so…
Part A: C. the grassy surface of land Part B: B. “And the low green meadows” (line 11)
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the selection, and choose the best answer to each question. breaking ba…
A. an extensive journey toward a goal
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read the passage from animal farm meanwhile life was hard. the winter w…
Readers think that the animals have to believe Squealer's message.
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7. the data represent the number of cans collected by different classes…
a. The mean is $18.5$. b. The median is $16$. c. When eliminating the greatest value ($42$): - The mean changes from $18.5$ to approximately $16.36$ (the mean is affected by extre…
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6. select all the distribution shapes for which the mean and median mus…
A. bell - shaped, D. symmetric
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reading read the selection, and choose the best answer to each question…
A. Theme: Doing what is right may mean making a sacrifice. How Conveyed by Characterization: Jimmy does his duty, but he cannot bear to arrest Bob himself, so he explains his invo…
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5. what is the iqr? (lesson 1 - 11) a. 5 branches b. 7 branches c. 10 b…
B. 7 branches
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reading read the selection, and choose the best answer to each question…
D. to stress the powerlessness of laws and institutions to preserve liberty if the spirit is lacking
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3. explain the meaning of $2^{\\frac{3}{4}}$ in terms of the product ru…
\(2^{\frac{3}{4}}\) can be written as \(2^{\frac{1}{4}+\frac{1}{4}+\frac{1}{4}}\), and by the product rule \(a^{m + n}=a^{m}\times a^{n}\) (\(a = 2\), \(m=n=\frac{1}{4}\) in succe…
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select all answers that give either an example of or the meaning of the…
disagree passionately, a substantial rift caused by positive—and negative—opinions over a new boss, sailors rebelling against the captain of a ship
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6. laquelle des propositions suivantes décrit le mieux une tendance? a)…
B) La direction générale des points de données # 7.
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a. quel type de graphique représente une relation entre la vitesse de l…
4. D) Nuage de points 5. B) Unités
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4. the mean of data set a is 43.5 and the mad is 3.7. the mean of data …
a. Data set A shows greater variability. Because the MAD (Mean Absolute Deviation) of data set A (\(4.1\)) is greater than the MAD of data set B (\(3.7\)), and a larger MAD implie…
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click or tap on any word or words that should not be followed by a comm…
similar
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read the last line of the prologue of romeo and juliet. what here shall…
The play we are about to read will fill in the details of this story.
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9. 1,430 people are surveyed about whether they take daily vitamins and…
| | Take Daily Vitamins | Don't Take Daily Vitamins | |---|---|---| | Eat Breakfast | \(27\%\) | \(33\%\) | | Don't Eat Breakfast | \(19\%\) | \(21\%\) |
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question 11 (multiple choice worth 1 points) (05 03 mc) a county is in …
12
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unit 2 quiz 2 study guide 1. what does it mean when an exponent is a fr…
A fractional exponent \(a^{\frac{m}{n}}\) means taking the \(n\) - th root of \(a^{m}\). For \(4^{\frac{1}{2}}\), it means the square root of \(4\), and the value is \(2\).
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15) why is understanding the difference between explicit and implicit i…
C. Because readers need both explicit details and implicit clues to discover the deeper meaning of a story.
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what does esperanza mean when she says, \all brown all around, we are s…
First question: She means that it's common for people to fee more safe with people who look like them. Second question: She has too many of them and is a single mom.
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a college food court surveyed 674 students to see how many drink soda, …
(a) \(257\) students (b) \(400\) students (c) \(51\) students
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read the sentence from paragraph 2 of the passage. \yesterday while i w…
d. poking around in
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a drug trial had 662 participants. a survey was taken to determine how …
(a) \(365\) participants (b) \(120\) participants (c) \(53\) participants
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a pet store surveyed 696 people to see how many own a bird, how many ow…
(a) \(280\) people (b) \(397\) people (c) \(73\) people
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question 10 5 points compound interest means that a savings account ear…
A. True
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a pet store surveyed 210 people to see how many own a dog and how many …
(a) \(113\) people (b) \(48\) people (c) \(123\) people
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a college food court surveyed 299 students to see how many drink coffee…
(a) \(155\) students (b) \(177\) students (c) \(41\) students
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a college radio station surveyed 415 incoming freshmen to see how many …
(a) $252$ freshmen (b) $75$ freshmen (c) $359$ freshmen
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questions 1. what do you think the word \pernicious\ means? a. ugly b. …
D. destructive or malicious