Questions 14-16 refer to the following. The statistics exam score has an average of 75 with a standard deviation of 10 points. We draw a random sample of 25 exams. Let the random variable representing the mean (average) score of the 25 exams. What is the distribution of Xbar? Group of answer choices N(75, 10) N (75, 2) U(10, 75) Not enough information
Questions 14-16 refer to the following. The statistics exam score has an average of 75 with a standard deviation of 10 points. We draw a random sample of 25 exams. Let the random variable representing the mean (average) score of the 25 exams. What is the distribution of Xbar? Group of answer choices N(75, 10) N (75, 2) U(10, 75) Not enough information
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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14-16 fast please
Questions 14-16 refer to the following.
The statistics exam score has an average of 75 with a standard deviation of 10 points. We draw a random sample of 25 exams. Let the random variable representing the mean (average) score of the 25 exams.
- What is the distribution of Xbar?
Group of answer choices
N(75, 10)
N (75, 2)
U(10, 75)
Not enough information
Find the
Group of answer choices
0.4135
0.5865
0.1692
0.9770
Find the 75th percentile for the mean score Xbar.
Group of answer choices
81.74
68.26
76.35
58.75
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