From the scores in subject EQT203 for 8 students, it was found that the mean score is 73 and the standard deviation is 5.15. Construct a 95% confidence interval estimate for the mean score of all students in the class. Ans: (68.69, 77.31)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
From the scores in subject EQT203 for 8 students, it was found that the mean
score is 73 and the standard deviation is 5.15.
Construct a 95% confidence interval estimate for the mean score of all
students in the class.
Ans:
(68.69, 77.31)
Transcribed Image Text:From the scores in subject EQT203 for 8 students, it was found that the mean score is 73 and the standard deviation is 5.15. Construct a 95% confidence interval estimate for the mean score of all students in the class. Ans: (68.69, 77.31)
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