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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6 multiple choice 10 points what does the name \theophilus\ mean? lover…
A. Lover of God
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the data show the favorite subjects of a random sample of students. wha…
15
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the table represents the results of survey that asked people their age …
\(f(x)=-0.13x + 13.47\)
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27. what city showed dramatic urban growth? 28. changes to population d…
27. Without context, no single city can be named. 28. Caused by multiple factors like migration and industrialization. 29. The Great Migration is a notable example. 30. Created jo…
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suppose a binding price ceiling for cars is introduced. indicate which …
1. True 2. False 3. False (unclear what "adding unne" means, but assuming not a typical consequence) 4. True 5. True 6. True
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adapted from parkhurst boys by talbot baines reed it was a proud moment…
D. He had wanted to be part of the team ever since he joined the school.
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the histogram to the right represents the weights (in pounds) of member…
21
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suppose a seafood outlet decreased the price of tuna from $12 per pound…
1. -40 2. 40 3. -1 4. Unit - elastic (since $|E_d| = 1$)
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suppose that the quantity supplied of beef decreased by 24% as a result…
1. 1.5 2. elastic 3. 1% 4. 1.5% (X%)
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suppose that the quantity supplied of beef decreased by 24% as a result…
1. 1.5 2. elastic 3. 1% 4. 1.5%
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suppose that the quantity supplied of beef decreased by 24% as a result…
1. 1.5 2. elastic 3. When $|E_s|>1$, a percentage - change in price leads to a larger percentage - change in quantity supplied in the same direction. 4. A 1% decrease in the price…
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suppose that the quantity supplied of beef decreased by 24% as a result…
1. 1.5 2. The supply of beef is elastic since $E_s = 1.5>1$, meaning that the percentage change in quantity supplied is greater than the percentage change in price. 3. A positive …
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to buy goods on credit means to pay cash for goods. promise to pay for …
B. promise to pay for goods later.
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review the story. the mark newts feet hurt from standing at the registe…
Newt and the reader already have an idea about what his Mark will mean.
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among fatal plane crashes that occurred during the past 70 years, 263 w…
| Cause | Relative Frequency | |--|--| | Pilot error | 16.7% | | Other human error | 5.9% | | Weather | 36.5% | | Mechanical problems | 37.2% | | Sabotage | 3.7% | The most seriou…
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the dotplot below shows ages for 46 math146 students in the spring 2016…
How many students were 23 years old? 3 How many students were 21 years old? 5 How many students were 38 years old? 0
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extracto de la letra escarlata por nathaniel hawthorne capitulo 3 \el r…
# Breve explicación: En el capítulo 3 de "La letra escarlata", Hawthorne muestra la incomodidad de Dimmesdale con el aspecto público de su profesión a través de la descripción de …
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bright and dark romanticism extracto de la letra escarlata por nathanie…
coraje
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create a scatterplot to show the relationship between the variables x a…
The scatter - plot should have points at (1,3), (3,5), (7,6), (5,4), (4,2) on the provided grid.
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the population of a small village is shown below. what was the populati…
350
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question 11 based on the histogram above, what is the frequency of the …
5
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match the graph to the description that best fits. use each only once. …
Bimodal - b. Skewed left - a. Skewed right - c. Symmetric - d.
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interpreting bar graphs the bar graph above shows the number of compute…
8 23 34.78
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data was collected for 210 randomly selected 10 minute intervals. for e…
19
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46. the mean of 6, 9, 10, 5 is: a) 6 b) 7.5 c) 7 d) 8
B. 7.5
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for a sample of 120 transformers built for heavy industry, the mean and…
B. No. The z - score is $0.55$, meaning that the number of swells is not unusual and is not an outlier.
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for a sample of 120 transformers built for heavy - industry, the mean a…
B. No. The z - score is 1.59, meaning that the number of sags is not unusual and is not an outlier.
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multiple choice question the ______ environment of business impacts all…
global
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the salaries of superstar professional athletes receive much attention …
C. To refute the argument, the owners should use the median because the median is the value at which half of the data values are higher than it. The median is affected by extreme …
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salaries of professional athletes receive much attention in the media. …
The players' association might want to use the mean because the mean is the average value of all the players' salaries and is likely to be higher due to the presence of high - ear…
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construct the cumulative frequency distribution for the given data. age…
| Age (years) of Best Actress when award was won | Cumulative Frequency | |----|----| | Less than 30 | 26 | | Less than 40 | 40 | | Less than 50 | 42 | | Less than 60 | 46 | | Les…
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question 4 a random sample of 30 male college - students was selected, …
| Height | Frequency | Relative Frequency | |---|---|---| | 66 | 2 | 0.07 | | 67 | 3 | 0.10 | | 68 | 0 | 0.00 | | 69 | 6 | 0.20 | | 70 | 4 | 0.13 | | 71 | 4 | 0.13 | | 72 | 3 | 0.…
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determine the distribution of the data pictured in the histogram below.…
Skewed - right
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a research team studying addiction and how it impacts personal relation…
Qualitative research (specifically, in - depth interviews)
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for a sample of 110 transformers built for heavy industry, the mean and…
B. No. The z - score is 1.53, meaning that the number of swells is not unusual and is not an outlier.
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american civilizations (prehistory - 1570 ce) end of lesson test 3 meso…
Middle America
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for a sample of 110 transformers built for heavy industry, the mean and…
A. Yes. The z - score is - 3.71, meaning that this is an outlier and almost every other transformer has more sags.
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characterization in grendel grendel it wasnt because he threw that batt…
He is weak and easily disgusted by dead animals.
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for a sample of 117 transformers built for heavy industry, the mean and…
A. No. The z - score is $1.48$, meaning that less than approximately 68% of transformers have a number of swells closer to the mean.
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the graph shows a relationship between the size of 18 households and th…
B. $y=-0.34x + 5.19$
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what percentage of the measurements in the data set lie to the left of …
75%
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consider the horizontal box - plot shown to the right. what percentage …
75%
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consider the horizontal box - plot shown to the right. what percentage …
The percentage of the measurements in the data - set that lie to the left of the upper quartile is 75%. The percentage of the measurements in the data - set that lie to the right …
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consider the horizontal box - plot shown to the right. d. is the data s…
d. A. The data is skewed right. e. 50%
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consider the horizontal box - plot shown to the right. iqr = 4 (round t…
A. The data is skewed right.
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consider the horizontal box - plot shown to the right. b. what are the …
4
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consider the horizontal box - plot shown to the right. a. what is the m…
a. 5 b. $Q_L = 4$, $Q_U = 8$
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consider the horizontal box - plot shown to the right. a. what is the m…
6
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this building housed a mayors office and a commissary, or grocery store…
Some Hoovervilles had basic public services and conveniences. Having a mayor shows that this Hooverville has a system of self - government.
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a sample data set has a mean of 69 and a standard deviation of 12. dete…
a. is an outlier b. is not an outlier c. is not an outlier d. is not an outlier
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scores on a mathematics assessment test for eighth - graders have a mea…
A. For this problem, the mean value of 281 represents the average test score on a mathematics assessment test for eighth - graders. B. For this problem, the 10th percentile of 231…
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scores on a mathematics assessment test for eighth - graders have a mea…
A 10th percentile of 231 means that 10% of the scores fall below 231 and 90% of the scores fall above 231. A 25th percentile of 251 means that 25% of the scores fall below 251 and…
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scores on a mathematics assessment test for eighth - graders have a mea…
A. For this problem, the mean value of 281 represents the average test score on a mathematics assessment test for eighth - graders. B. For this problem, the 10th percentile of 231…
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scores on a mathematics assessment test for eighth - graders have a mea…
A 25th percentile of 251 means that 25% of the scores fall below 251 and 75% of the scores fall above 251.
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scores on a mathematics assessment test for eighth - graders have a mea…
1. D. For this problem, the mean value of 281 represents the average test score on a mathematics assessment test for eighth - graders. 2. A 10th percentile of 231 means that 10% o…
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scores on a mathematics assessment test for eighth - graders have a mea…
D. For this problem, the mean value of 281 represents the average test score on a mathematics assessment test for eighth - graders.
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which statements describe the last two lines of a shakespearean sonnet?…
A. They rhyme with each other. B. They are referred to as a couplet. D. They may reinterpret the poem's meaning. (Note: Only three correct options are present among the given ones…
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extracto de la letra escarlata por nathaniel hawthorne capitulo 3 “el r…
# Breve explicación: El extraño en el mercado se describe como un hombre blanco vestido con una extraña confusión de atuendos civilizados y salvajes. Esta descripción sugiere que …
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extracto de la letra escarlata por nathaniel hawthorne capitulo 3 \el r…
Él cree que un hombre debe hacer uso igualitario de su intelecto y de sus emociones para tomar decisiones críticas.
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the scarlet letter, part 2 extracto de la letra escarlata por nathaniel…
humillación pública y ostracismo
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compare the z - scores to decide which of the following x - values lie …
The x - value that lies the greatest distance above the mean is $x = 100$ (from part a) and the x - value that lies the greatest distance below the mean is $x = 1$ (from part b).
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extracto de la letra escarlata por nathaniel hawthorne capítulo 3 \el r…
La gente de la comunidad tiene miedo de sufrir una vergüenza similar.
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interpolating data devin recorded the number of hours he played a video…
3.0
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the scarlet letter, part 2 extracto de la letra escarlata por nathaniel…
La mujer era considerada propiedad de su marido.
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extrapolating data the regression calculator shows the relationship bet…
5
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the scarlet letter, part 2 extracto de la letra escarlata por nathaniel…
# Breve Explicación: En el extracto, se describe cómo Hester Prynne soporta una gran presión y no se rinde, mostrando que su espíritu no se derrumba fácilmente. Esto demuestra su …
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compare the z - scores to decide which of the following x - values lie …
The value with the greatest distance above the mean is $x = 100$ (with $z = 2.00$) and the value with the greatest distance below the mean is $x = 1$ (with $z=-3.00$).
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give the percentage of measurements in a data set that are above and be…
There are 16% of measurements above the 84th percentile and 84% of measurements below the 84th percentile.
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extracto de la letra escarlata por nathaniel hawthorne capitulo 3 “el r…
# Breve Explicación: En la novela "La letra escarlata", el discurso de Dimmesdale es conmovedor debido a la profunda emoción que transmite. La intensidad de sus sentimientos se ha…
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give the percentage of measurements in a data set that are above and be…
c. There are 70% of measurements above the 30th percentile and 30% of measurements below the 30th percentile.
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complete the sentence with a word that means the same as prefer. when g…
like
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describe how the way teens listen to music has evolved from record play…
A. changed
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using the regression calculator. rita is starting a running program. th…
y = 1.671x + 4.699
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dougies donuts tracked the number of donuts each customer ordered for a…
7
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coach jackson measured the height of each player on the springfield mid…
10
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3.49. if a lot of size 100 contains 5 defective or more items, the cust…
The probability of lot rejection is $1-\frac{C(95,10)+C(5,1)\times C(95,9)}{C(100,10)}$, the probability of exactly 3 defective items in the sample is $\frac{C(5,3)\times C(95,7)}…
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a. it will be easy to turn the clock back and restore dark night skies.…
D. The change to the night skies has happened recently and rapidly.
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buttons. use the data to complete the histogram below. red buttons per …
The heights of the bars for the ranges 1 - 20, 21 - 40, 41 - 60, 61 - 80, 81 - 100 should be set to 1, 7, 2, 4, 4 respectively.
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part 3 of 4 (c) what is the slope of the line and what does it mean in …
The y - intercept is $(0,b)$ (where $b$ is the initial amount spent per person on video games at the start of the study, value not given in the problem); The y - intercept means t…
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the average amount spent per person in year 3 was approximately $64.4. …
The amount spent per person on video games increased by an average rate of $9.6 per year.
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lesson 8: american civilizations (prehistory - 1570 ce) north america m…
a. The Anasazi b. The Hohokams c. The Anasazi d. The Hohokams e. The Anasazi f. The Anasazi
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lesson 8: american civilizations (prehistory - 1570 ce) north america m…
a. The Anasazi b. The Hohokams c. The Anasazi d. None of the above (not typical of these two) e. The Anasazi f. The Anasazi
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lesson 8: american civilizations (prehistory - 1570 ce) north america m…
a. The Anasazi b. The Hohokams c. No clear match d. No clear match e. The Anasazi f. The Anasazi
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3 create a dot plot showing a uniform distribution.
A dot plot with an equal number of dots above each discrete value within the chosen range, showing a uniform distribution.
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art - 111 - z191 2025fa - art appreciation / module 4: september 8 - 14…
E. 'writing with light'
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a researcher recorded the number of cows on each farm in the county. us…
The heights of the bars for the ranges 1 - 10, 11 - 20, 21 - 30, 31 - 40, 41 - 50 should be 3, 1, 4, 1, 5 respectively.
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at a store, customers are randomly selected to participate in a survey.…
126
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art - 111 - z191 2025fa - art appreciation / module 4: september 8 - 14…
C. lithography
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this style of printmaking means pictures of the floating world and was …
E. Ukiyo - e
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art - 111 - 2101 2025fa - art appreciation / module 4 september 8 - 14 …
e. intaglio
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at a candy factory, butterscotch candies were packaged into bags of dif…
Set the height of the missing bar to 40.
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a farmer counted the number of apples on each tree in his orchard. use …
The height of the missing bar (21 - 30 range) should be set to 4.
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is the following a statistical question? how tall is the auditorium at …
no
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is the following a statistical question? what is the height, in feet, o…
no
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is the following a statistical question? how much snowfall does minneap…
yes
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is the following a statistical question? how tall are palm trees?
yes
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is the following a statistical question? how far from school do your cl…
yes
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is the following a statistical question? how much allowance do sixth gr…
yes
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is the following a statistical question? when is your mothers birthday?
no
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is the following a statistical question? how many inches of rain does y…
yes