(b) An intelligence test has been given to the primary school students for several years and it is assumed that the scores are normally distributed with an average of 85. A group of 50 primary school students obtained a mean grade of 84 and a standard deviation of 5 in the test this year. Is this batch students inferior in intelligence to the past years' primary school students using 2% level of significance?
(b) An intelligence test has been given to the primary school students for several years and it is assumed that the scores are normally distributed with an average of 85. A group of 50 primary school students obtained a mean grade of 84 and a standard deviation of 5 in the test this year. Is this batch students inferior in intelligence to the past years' primary school students using 2% level of significance?
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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