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The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance.

The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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3. The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance. 3
Transcribed Image Text:3. The registrar of a certain school claimed that the average IQ of their students is 105 with a standard deviation of 4.5. To verity the validity of the statement made by the researcher, a psychology student conducted an investigation by taking 30 students as his participants and found them to have an average IQ of 103.34. Based on the results, can we confirm the claim of the registrar? Use 1% level of significance. 3
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