Find the mean of the given sample: 14, -14, 12, -9, 8, 17, -19, 20 4.625 4.815 3.625 3.815

Q: According to a gallup survey of boys 77% of boys had played computer games in the past week compared…

A: Let p1 be the percentage of boys had played computer games  p2 be the percentage of girls had played…

Q: find 2nd quartile for given data 56,89,74,16,32,24,98,9,75,25,15,49

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Q: Last year, nine employees of a shipping company retired. Their ages at retirement are listed below.…

A: I hope this is helpful.

Q: Calculate the coefficient of variation for products sold per store using this sample data 0, 77, 38,…

A: From the provided information, The data values are as follow: 0, 77, 38, -5, 44, 62

Q: Consider the data set 7, 9, 14, 15, 22. What is the standard error of the sample mean?

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Q: What is the mean for the following sample of scores? Scores: 2, 4, 5, 9

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Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

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: find the mean, mode, median, midrange, range, mean deviation, variance, and standard deviation for…

A: mean = 31.5mode = 24median = 24midrange = 38range = 48mean deviation = 12.25variance =…

Q: A pet food company wants to know the number of pets owned by adults ages 21 to 70. The frequency…

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Q: A sample mean has a z= -4.0 on the sampling distribution created from the population of psychology…

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Q: A circus operator randomly picked 5 day from the month of august to see how many people purchased…

A: Sample is the items randomly drawn from the population.

Q: In a survey of 400 items in a production line, it was discovered that 10% are defective. What is the…

A: Given the survey of 400 items in a production line.The percentage of defectives is 10%,Let n = 400…

Q: Here is a set of sample data. 72 89 51 85 12| 95 47 26 41 60 17 22 33 43 53 73 69 | 66 45 25 59 55…

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Q: The mean salary of twelve men is $55,000, and the mean salary of four women is $85,000. Find the…

A: Mean or Average :

Q: What is Sample?

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Q: find sample variance  for given data 12,15,4,69,85,63,34,75,62,69,56,52,85

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Q: The ages of a group of friends are listed: 40, 26, 59, 36, 21, 42, 41, 42. Using the given sample…

A: From the provided information, The data values are as follow: 40, 26, 59, 36, 21, 42, 41, 42 Sample…

Q: Consider the sample data: 125, 100, 112, 127, 112, 105. What is the sample mean of the data?

A: Given data set: 125, 100, 112, 127, 112, 105

Q: In order to get the mean price of homes selling in San Diego, you use 50 homes to determine the…

A: Population : Population is a group of individuals, items, units or subjects  which is under…