The following data are the final exam scores of the 15 students in a small calculus class. 83 72 74 98 96 90 80 80 75 77 91 81 68 86 93 Are these population or sample data? Population What is the range for this data set? What is the variance for this data set? Round your answer to three decimal places, if necessary.

Q: H.w B From the lowing tuble, calculate the population mean Y, and the population variance o. Student…

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Q: Find the 5 number summary for the data shown 4 6 18 28 45 48 61 68 75 76 87 88 89 90 91 5 number…

A: To find the 5 number summary of a data set, you need to find the smallest data value (minimum), the…

Q: The table below shows scores on a statistics exam. Find the median score. Exam Score Number of…

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Q: You are curious about how the mean age of cars compares for students and faculty. You take a random…

A: We have given that a random sample of 25 students and a random sample of 25 faculty members.

Q: Please find the mean, median and mode of the following data set. 74 80 80 84 88 89 91 93 98 100 mean…

A: Introduction: Denote X as a random variable of interest. For the random variable X taking n sample…

Q: Here is the second data set. 49 84 44 89 74 26 80 39 92 49 d. What is the mean (T) of this data set?…

A: We know that  Mean=sum of observation/numbar of observation  Median=middle value of the data set.…

Q: Find the variance for the given data. Round your answer to one more decimal place than the original…

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Q: You are curious about how the mean age of cars compared for students and faculty. You take a random…

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Q: The following refer to the following data set: 91 70 68 66 25 70 56 62 82 100 What is the mean () of…

A: Solution : Let X: given data X = 91, 70, 68, 66, 25, 70, 56, 62, 82, 100  n = 10 a) Mean of data set…

Q: Find sd.The differences between two sets of dependent data are​ 0.4, 0.24,​ 0.22, 0.26, 0.34. Round…

A: The formula for sample standard deviation is,

Q: Find the variance for the set of data: 27, 33, 20, 25, 25. The variance is ***

A: Solution: x x2 27 729 33 1089 20 400 25 625 25 625 --- --- ∑x =130 ∑x2 =34685

Q: Approximate the mean for the following data set. Round your answer to one decimal place. Class…

A: Given: The data is arranged in the form of class and frequency- Class Frequency(f) 0-8 4 9-17…

Q: Find the mean, median and mode of the following data: X 3 5 8 11 13 15 18 f 4 6 9 13 10 8 4

A: Data given X Frequency 3 4 5 6 8 9 11 13 13 10 15 8 18 4

Q: 97 71 80 29 71 55 44 76 d. What is the mean (T) of this data set? e. What is the median of this data…

A: arrange data in accending order: 29,44,55,56,68,71,71,76,80,97   sample size (n) = 10

Q: Suppose you have information about average heights of a random sample of airline passengers. The…

A: Given Information: Mode=68 inchesMedian=69 inchesMean=69 inches To find out the values of the mode,…

Q: 2. the following are the daily salaries of a group of employees. Daily Salary P 300 – 399 P 400 –…

A: Given Data :  Class Frequency 300 - 399 2 400 - 499 3 500 - 599 10 600 - 699 15 700 -…

Q: For the data set below, find the IQR. 65   74   74    68   66    73    63    72    62     75    75

A: Introduction: The formula for the interquartile range or IQR is: IQR = Q3 – Q1; Where Q1 is the…

Q: n the data set 2,8,10,85,12,7,5,3,10,3,9,4,9, find the 3rd decile

A: Total data values = 13 Data in ascending order corresponding to the position is written as follows:…

Q: Use the dotplot to find the mean, median, and IQR. Round to 1 decimal place, if needed. Caution:…

A: Given that n=14

Q: What is the value of the variance when all the data in the set are equal? a. -1 b. 0 c. 1 d. 100%

A: All the sets are equal.

Q: The heights, in inches, of the four members of a barbershop quartet of singers are listed below.…

A: The value of mean is obtained below:

Q: Find the mean of the following data set. Assume the data set is a sample. Round your answer to the…

A: We have to find the mean of given data set.

Q: Please find the mean, median and mode of the following data set. 74 80 80 84 88 89 91 93 98 100

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Q: Find sd. The differences between two sets of dependent data are 3, 8, 5, 9, 7. Round to the nearest…

A: We have given that data   3, 8, 5, 9, 7 I want to find  Standard deviation ( Sd )

Q: 5-Number

A: Given : The given data is 8, 15, 32, 36, 45, 47, 58, 61, 63, 75, 77, 78, 79, 91, 92, 98

Q: The following refer to the following data set: 20 28 44 92 64 48 68 43 86 43 What is the mean () of…

A: Calculate Mean, Median, Mode from the following data20,28,44,92,64,48,68,43,86,43

Q: Determine if the data set is a population or a sample. The incomes of every employee at an amusement…

A: The objective of the question is to determine whether the given data set, which includes the incomes…

Q: For the data set 4 6 8 10 12 the mean is

A: Given data set:  4, 6, 8, 10, 12

Q: Find sd.The differences between two sets of dependent data are​ 0.4, 0.24,​ 0.22, 0.26, 0.34. Round…

A: Given Data: 0.4, 0.24,​ 0.22, 0.26, 0.34

Q: Place the following data in a stem and leaf plot. 137 129 116 114 130 121 124 135 139 132 117 You…

A: There are total 11 observations.The data is arranged ascending order.That is, 114, 116, 117, 121,…

Q: The following questions refer to this data set: 39 72 84 34 20 87 26 59 85 85 What is the mean of…

A: Given data is39,72,84,34,20,87,26,59,85,85sample size(n)=10

Q: The record of 21 people in a 100m race is summarized in the frequency table below. Find the mean,…

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Q: We are going to calculate the mean, median, and mode for two sets of data. Please show your answer…

A: Disclaimer: Since you have posted a question with multiple subparts, we will solve first 3 subparts…

Q: The owner of a small company employs 6 people. As part of their personnel file, she asked each one…

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