Over the years, the mean IQ of freshmen applicants in a university in a province has been determined to 91. The majority of the applicants from various integrated schools within province. Recently, the school officials have noticed a gradual but noticeable rise in enrolment in the first year college with students coming from various integrated schools in neighboring provinces. The school officials would like to know if the average IQ of their freshmen students might have changed. They took 85 freshmen students and find that the mean IQ is 94 with a standard deviation of 10 at 5% level of significant, has the average IQ of the freshmen students in the university changed?
Over the years, the mean IQ of freshmen applicants in a university in a province has been determined to 91. The majority of the applicants from various integrated schools within province. Recently, the school officials have noticed a gradual but noticeable rise in enrolment in the first year college with students coming from various integrated schools in neighboring provinces. The school officials would like to know if the average IQ of their freshmen students might have changed. They took 85 freshmen students and find that the mean IQ is 94 with a standard deviation of 10 at 5% level of significant, has the average IQ of the freshmen students in the university changed?
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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Transcribed Image Text:1. Over the years, the mean IQ of freshmen applicants in a university in a province has been
determined to 91. The majority of the applicants from various integrated schools within
province. Recently, the school officials have noticed a gradual but noticeable rise in
enrolment in the first year college with students coming from various integrated schools in
neighboring provinces. The school officials would like to know if the average IQ of their
freshmen students might have changed. They took 85 freshmen students and find that the
mean IQ is 94 with a standard deviation of 10 at 5% level of significant, has the average IQ
of the freshmen students in the university changed?
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