From past experience, a teacher believes. score on an exam is 75. A sample of 20 follows: 78, 75, 72, 73, 76, 81, 71, 71, 65, 50, 63, 61, 70, 70, 76, 75, 69, 70, 72, 74

Q: Identify the population and sample. In a random sample of Hartnell students, 45 said they…

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Q: The weights (in pounds ) of 16 preschool children are:…

A: Ans#- Given data,            32, 27, 34, 30, 48, 44, 40, 45, 23, 25, 41, 24, 39, 46, 43, 26…

Q: A recent graduate chooses 4 continents to visit from the 7 in the world. What is the size of the…

A: A recent graduate chooses 4 continents to visit from the 7 in the world total=7 choose =4

Q: The scores on a mathematics quiz out of 100 are shown. {63,71,40,99,52,94,83,67,94,89,14,76,68}.By…

A: Mean=Sum of all observationsNumber of observations=91013=70

Q: find 1st quartilefor given data  45,96,85,75,6,42,53,6,75,92,4,5,63,50

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Q: 4b) For the following scores, find the median 43, 32, .64, 21, 29, 51, .89, .64

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Q: Angelo used a radar gun to take a sample of the speeds of cars on the road in front of his house.…

A: Mean is the measure of central tendency. Mean explain the average of the data set. Mean is…

Q: find 1st percentile for given data 12,15,36,35,45,56,58,96,68,98,9,75,25,15,49

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Q: The scores of University exams are displayed on the board. The scores of students are :-…

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Q: ind the sample mean for the given data set, 25,64,38,76,48

A: Answer: From the given data, 25,64,38,76,48 Sample size(n) = 5

Q: The test score of a sample of 20 students in a class are as follows: 20, 30,21, 29 10,17,18,15, 27,…

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Q: Find the sample mean for the following data 56,66,83,102,73,51,72,62,52,82

A: Answer: Given data is, 56,66,83,102,73,51,72,62,52,82 Sample size (n) = 10

Q: Suppose you wanted to know the proportion of students who wear glasses on campus and you went ahead…

A: you wanted to know the proportion of students who wear glasses on campus  you went ahead and survey…

Q: The grades on a Math test are: 67, 90, 84, 35, 78, 64, 76, 89, 96, 53, 74, 88, 49, 66, 67, 92, 45,…

A: Let x: grades Then x1 ,x2, ... ,x36 are 67, 90, 84, 35, 78, 64, 76, 89, 96, 53, 74, 88, 49, 66, 67,…

Q: A study claims that a normal female body has a temperature of 98.6 degrees Fahrenheit. The body…

A: The t test are used to make mean significant between the sample and population. It also used to make…

Q: The winning scores in the U.S. Masters golf tournament in the years from 1982 to 1991 were as…

A: Data given  284,280,277,282,279,285,281,283,278,277

Q: A school principal surveys 4 freshman, 4 sophomores, 4 juniors, and 4 seniors. For the situation…

A: We have to find correct answer for given data....

Q: 1, 6, 6, 6, 7, 7, 8, 9, 13, 10, 17 The 10th percentile would be

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Q: Find the sample mean for the given data set, 45,34,67,89,24

A: Answer: From the given data, 45,34,67,89,24 Sample size(n) = 5

Q: Find the sample mean 73,62,37,48,74,95,52,53,74,93,101,94,16,47

A: Answer: From the given data, The given data set is, 73,62,37,48,74,95,52,53,74,93,101,94,16,47…

Q: Consider the sample data: 125, 115, 112, 127, 112, 105.

A: Data set: 125, 115, 112, 127, 112, 105

Q: class contains 8 students. Find the number of ordered sample of size 3 with replacemen

A: Since , the class contains 8 students. Our aim is to find the number of ordered sample of size 3…

Q: Take a random sample of 50 pages from a book and estimate the proportion of all pages that contain…

A: Here we want to find proportion of pages that contain figures.

Q: Find the median of the sample 34, 29, 26, 37 and 31 is _________

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Q: Find the sample mean for the given data: 8,11,13,5,16,21,9,13,17,5,3,18,16,14,23

A: Answer: Given sample values are, 8,11,13,5,16,21,9,13,17,5,3,18,16,14,23 Sample size (n) = 15

Q: Find 36th percentile for given data 11,58,45,25,65,45,65,12,35,88,14,56,18,92,35,…

A: Given data is11,58,45,25,65,45,65,12,35,88,14,56,18,92,35, 87,45,65,98,41,82,6

Q: The test score of a sample of 20 students in a class are as follows: 20, 30, 21, 29 10, 17, 18, 15,…

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Q: i need 20 to be 30 for the sample section

A: The mean is 1.8 and the standard deviation is 0.5.

Q: In a statistic class, 10 scorea were randomly selected with the following results were…

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Q: find 40th percentile 14,16,18,19,20,24,25,26,28,29,30,32,35,36,38,39

A: Givan Arranging Observations in the ascending order, We get :…

Q: The test scores of 16 students are listed below:             44, 46, 51, 57, 60, 63, 65, 70, 75,…

A: Given data is as follow : 44, 46, 51, 57, 60, 63, 65, 70, 75, 76, 85, 87, 90, 94, 95, 97 Median = ?

Q: Fifteen students took a test. The marks obtained by 10 student, who have cleared the test, are given…

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Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: Find the sample mean of the following data: 11, 23, 27, 04, 32, 37, 38, 45, 40, 08

A: Answer: From the given data, 11, 23, 27, 04, 32, 37, 38, 45, 40, 08 Sample size(n) = 10

Q: As a part of a class project, a teacher brings a jar of 200 jawbreakers of three different colors,…

A: Given that one student draws 30 jawbreakers from the jar, of which 9 are orange, 11 are red and 10…

Q: mean of the set of numbers is 17. Find the value x, if sample values are:   12, 18, x, 21, 13

A: Given that  Mean = 17  The data are 12, 18, x, 21, 13

Q: How can I find the sample mean of these four scores ? 1,4,4,10

A: Given data, 1,4,4,10 sample mean(x)=?