2. Below is the population distribution of midterm scores for students in an introductory statistics class. The true mean of the population is u = 76 and the standard deviation is o = 8. • 000 60 Midterm Scores 90 100 20 30 40 70 80 a. Calculate the mean and standard deviation of the sampling distribution of i for SRSS of size n = 10.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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2. Below is the population distribution of midterm scores for students in an introductory statistics
class. The true mean of the population is u = 76 and the standard deviation is o = 8.
• 000
50 60
70
90 100
20
30
40
80
Midterm Scores
a. Calculate the mean and standard deviation of the sampling distribution of x for SRSS of size
п 3D 10.
b. Interpret the standard deviation of the sampling distribution of x.
c. Is the shape of the sampling distribution of be approximately normal? Justify.
Transcribed Image Text:2. Below is the population distribution of midterm scores for students in an introductory statistics class. The true mean of the population is u = 76 and the standard deviation is o = 8. • 000 50 60 70 90 100 20 30 40 80 Midterm Scores a. Calculate the mean and standard deviation of the sampling distribution of x for SRSS of size п 3D 10. b. Interpret the standard deviation of the sampling distribution of x. c. Is the shape of the sampling distribution of be approximately normal? Justify.
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