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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multiple - choice question what does ous sommes\ mean? you all are we a…
B. We are
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question 1 key word recognition: find in the reading the spanish word t…
asignaturas escolares
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find the interquartile range and sample standard deviation for the set …
The inter - quartile range is \(8\). But since the options are \(9.5\), \(8.5\), \(7.5\), \(6.5\), there might be a miscalculation in the problem setup. If we use the formula \(IQ…
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multiple - choice question je suis means i am tu ________ means you are…
es
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question #4 find the standard deviation of the following set of sample …
A. 2.71
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question #4 find the standard deviation of the following set of sample …
Question #4: \(2.15\) Question #5: \(175.5\)
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question #3 find the interquartile range for the following set of data:…
\(5.5\)
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question #1 the monthly revenue for the past 15 months of janes company…
12,061.92
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lacy raises mice. she measures the mass of each mouse three weeks after…
1. (Create a line - plot with \(x -\) axis labeled with the mass values \(6\frac{3}{4},7,7\frac{1}{4},7\frac{3}{8},7\frac{5}{8},7\frac{1}{2},7\frac{3}{4}\) and mark dots above eac…
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which revision best combines the following sentences by including an op…
B. In addition to reducing air pollution, planting trees provides shade in urban areas.
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question 2 of 10 a novel contains these parallel plots: 1. a teenager d…
B. Each character discovers that new experiences can be challenging at first.
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9. a high school principal surveys 480 high school seniors about their …
\(0.373\)
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which of the following statements is false about standard deviation? it…
It is the measure of spread for symmetrically distributed data.
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the mean and standard deviation would be the best measure of center and…
The third distribution (the symmetric one).
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find the mean and standard deviation of the data set. number of books r…
Mean: 219; Standard Deviation: 3.4 (the third option)
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using a calculator, determine the standard deviation of the data set. 1…
\(6.4\)
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question #9 the front row of a movie theater has 23 seats. if you sit i…
12
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question #5 which measure of central tendency is best described as the …
For Question #5: Mean is the average of a data set. For Question #6: The median of the data set is \(42\) (There was a miscalculation in the previous step - by re - checking: The …
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question #3 which data set has a mean of 35, median of 32, and a mode o…
\(68,53,10,15,47,18,47,25,32\)
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question #3 which data set has a mean of 35, median of 32, and a mode o…
76
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question #1 a set of data has the following frequency distribution. whi…
Mean
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multiple - choice question which of the following mean \we\? il/elle je…
Nous
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and here you would be presented with a list of four possible pairs, one…
Tan gives an example of a test question to support the idea that more efforts must be made in the home to expose children to standard English.
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two-way tables a group of 65 football players was polled about which sy…
\(x = 15\), \(y = 13\), and \(z = 17\)
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the legislature in a state has 39 seats. apportion these seats to the f…
Adams: \(13\), Grant: \(9\), Colton: \(9\), Davis: \(4\), Hayes: \(4\)
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as of 2011, the following are the ages at which a countrys presidents w…
6
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a teacher wishes to distribute 15 identical pieces of candy among 4 stu…
\(SD\approx129.6667\) \(SQ\approx1.9665\) \(LQ = 1\) \(UQ=2\)
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as of 2011, the following are the ages at which a countrys presidents w…
5
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5g understanding what you read the last great race on earth it was the …
1. The main theme of the passage is related to her political career and the issues she faced in the political context. 2. (B) overcoming difficulties (her opponents used her medic…
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the histogram shows the starting salaries (rounded to the nearest thous…
A. False, because the bar for 61 - 65 is shorter than the bar for 46 - 50
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which of the following statements is false about the median? data must …
The median is always the number in the middle of an organized data set.
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describe what is misleading in the following visual display of data. cl…
A. The scale of the vertical axis makes the differences in bar height look larger than they really are.
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determine the median. 53, 62, 30, 30, 64 53 52 30 48
\(53\)
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which data set has a mean of 15, a median of 14, and a mode of 11? 11, …
$11,11,14,19,20$
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find the mean, median, and mode of the data set. number of books read s…
Mean: \(219\); Median: \(217.5\); Mode: \(217\) (corresponding to the third option)
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find the mean of the data set. 18, 36, 24, 36, 30, 36 26 27 36
27
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a random sample of 40 college professors is selected from all professor…
The leaves for stem \(5\) are \(2\), \(5\), \(6\), \(7\), \(8\)
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a random sample of 40 college professors is selected from all professor…
| Stem | Leaves | | ---- | ------ | | \(2\) | \(0\), \(4\), \(6\), \(8\) | | \(3\) | \(0\), \(0\), \(1\), \(2\), \(2\), \(2\), \(3\), \(4\), \(5\), \(8\) | | \(4\) | \(1\), \(1\),…
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question #8 a response variable is the variable that changes because of…
True # Question #9
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question #5 an observational study makes no attempt to affect the outco…
True # Question #6
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question #3 which type of statistical study is represented in this exam…
- Question #3: C. Experiment - Question #4: C. Observational study
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what does the term \de-stalinization\ mean? removing stalins name chang…
changing Stalin's policies
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value 3 what was the purpose of fdrs \fireside chats\? ○ a. they were t…
c. They were talks to the American people detailing different New Deal programs.
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identify one way in which the u.s. south transformed in the wake of the…
B. Formerly enslaved Blacks developed new communities with their own churches and schools.
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the stem - and - leaf plots compare the ages of 30 actors and actresses…
B. There is a higher frequency of actors in their forties and fifties than actresses and a lower frequency of actors in their twenties and thirties than actresses; this could be e…
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excursion what does this word mean? a short journey or trip a mountain …
a short journey or trip
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a research company surveys people in a community about a new recycling …
Greatest number of people: \(6150\) Least number of people: \(5850\)
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accommodation what does this word mean? feeling thankful and grateful s…
a place to stay or live
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foreign what does this word mean? being honest and fair to others the a…
from a country that is not your own
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what does this word mean? bags, suitcases, trunks the place someone or …
the place someone or something is going
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the stem - and - leaf plots compare the ages of 30 actors and actresses…
31
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describe what is misleading in the visual display of data below. world …
D. Time intervals on the horizontal axis do not represent equal amounts of time.
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the function ( p(x) = 3.20x - 95.25 ) models the profit made per piece …
\(205.55\)
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describe what is misleading in the visual display of data below. mariju…
D. The percentages do not add up to 100%.
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determine whether the statement makes sense or does not make sense, and…
D. This does not make sense because the sample must include all the contributors, not only the largest contributors.
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l.j. stepping stones the function ( p(x)=3.20x - 95.25 ) models the pro…
205.55
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a professor had students keep track of their social interactions for a …
\(75\)
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independent practice in a study to determine the effectiveness of a new…
Explanatory Variable: The treatment (new medication or placebo); Response Variable: The change in blood pressure.
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independent practice research findings show that the higher the number …
No, the likely cause is the size of the natural disaster. A larger natural disaster will imply that more volunteers will show up.
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which of the following scenarios would give the most accurate data rega…
Using the student information database to pull a random sample of anonymous student GPAs.
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independent practice which of the following would be a good survey ques…
Are you employed? If so, what is your annual salary?
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which of the following best describes the main difference between an ob…
An experiment deliberately imposes some treatment on individuals to measure their responses. An observational study observes individuals without imposing a treatment.
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directions: select the correct word to complete each sentence. remember…
1. inspire; Definition: To fill someone with the urge or ability to do or feel something, especially to do something creative. 2. pioneer; Definition: A person who is among the fi…
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independent practice determine if the following study is best described…
Observational Study
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which type of study records the values of variables for members of a sa…
Observational Study
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multiple - choice question which subject pronoun means people in genera…
On
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which type of study assigns treatments to subjects to see what effect t…
Experiment
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classify the following study. people should brush their teeth at least …
Survey
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détente means increased openness. restructuring. reform. a relaxing of …
a relaxing of tensions.
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idea of the jewish god being worshipped alongside other local deities. …
D. god or goddess
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complex sentences fill in the blank. we popped popcorn before we starte…
no comma is needed
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find the quartiles for each set of numbers. 1) 32, 13, 46, 28, 51, 62, …
1. First quartile: \(23.5\), Second quartile: \(42\), Third quartile: \(54.5\) (assuming the first - problem's correct calculation as per the method above, the user's hand - writt…
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unbound vocab hw #2: fill - in - the - blank scenarios date: directions…
1. My Answer: putrid My Reason: The odor is from rotting food, and "putrid" means rotten. 2. My Answer: quiver My Reason: Skylah's hands are shaking with fear, and "quiver" means …
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which option below best summarizes the meaning of the cartoon, \join, o…
The colonies must unite if they want to defeat the French and their native allies in the French & Indian War.
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complex sentences fill in the blank. i rode in a boat when i visited eu…
no comma is needed
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complex sentences fill in the blank. we popped popcorn before we starte…
no comma is needed
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fill in the blank. turn off the light when you leave the room. the conj…
no comma is needed
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fill in the blank. it got cloudy when we went to the ocean. the conjunc…
no comma is needed
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questions: 1. both shifts earn $30 after 5 hours of work, but the graph…
1. The Lunch Shift represents a proportional relationship (passes through \((0,0)\)), the After - School Shift does not (does not pass through \((0,0)\)). For the Lunch Shift, Mil…
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section b checkpoint 2 c. explain how the diagram shows 3 ÷ 5.
The diagram has 3 shaded parts. Each whole is divided into 5 equal parts. Division \(3\div5\) means 3 parts out of 5. The shaded parts (3) and the total number of parts per whole …
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which of the data sets below have the following five - number summary? …
B. \(16, 18, 19, 23, 29, 31, 32\); D. \(16, 18, 20, 20, 23, 26, 30, 32, 32\)
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if necessary, rearrange the pieces below so that the sentence is in the…
Ravi Ross's summer vacation is planned by me every other year.
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i drank hot chocolate since i was cold. the conjunction in the middle m…
no comma is needed
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modeling real life work with a partner. the soccer committee has 8 girl…
no. Since \(\frac{8}{14}\approx0.571\) (portion of girls in soccer committee) and \(\frac{9}{17}\approx0.529\) (portion of girls in tennis committee), \(0.571>0.529\). So the socc…
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if necessary, rearrange the pieces below so that the sentence is in the…
Koda's skydiving lesson was led by me on a windy day.
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which quote from the story best supports the idea that albertos underst…
From years of arguing with his mother, he'd learned that the direct approach worked best.
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if necessary, rearrange the pieces below so that the sentence is in the…
Emma Watson's new ice cream flavors will be tested by me in the next few days.
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review the thirteenth and fourteenth paragraphs. november, when dr. qua…
The realization helps him figure out the location of the Maravilha.
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transcript: our greatest primary task is to put people to work. this is…
The government should put people to work (direct recruitment and projects), address population imbalance (redistribution), raise agricultural product values, prevent foreclosures,…
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read the sample student writing: schools should exercise very little co…
C. A student who dresses like his favorite anime character shows others that he likes Japanese animation.
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multiple - choice question il / elle can mean \it.\ using il or elle de…
gender
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the founders finally agreed that each state would have two senators and…
B. Constitutional delegates compromised to count enslaved people as three - fifths of a person when determining state population.
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calculating expected value using a table hanita created a game for the …
The Total Winnings for white is \(-5\), Probability × Total Winnings for white is \(-1.95\); Total Winnings for pink is \(3\), Probability × Total Winnings for pink is \(0.21\); T…
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a company estimates that 0.9% of their products will fail after the ori…
\(6.55\)
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question 28 if the odds against a certain event are 3 to 4, what is the…
Question 28: \(\frac{4}{7}\) Question 29: \(3:71\)
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select the correct answer what does hamlet mean by this reference to cl…
B. He and Claudius are relatives but not similar to each other
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a card is drawn randomly from a standard 52 - card deck. find the follo…
- Probability the card drawn is a face card: \(\frac{3}{13}\) - Probability the card drawn is not a face card: \(\frac{10}{13}\) - Odds in favor of drawing a face card: \(3:10\) -…
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question 26 a card is drawn randomly from a standard 52 - card deck. fi…
- Probability the card drawn is a face card: \(\frac{3}{13}\) - Probability the card drawn is not a face card: \(\frac{10}{13}\) - Odds in favor of drawing a face card: \(3:10\) -…
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7) scientific notation is a way to express extremely big and extremely …
7) \(140000000\) 8) \(0.000000000753\)
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question 27 suppose the probability of event a are ( p(a)=\frac{17}{50}…
a) \(17\) to \(33\) b) \(33\) to \(17\)