On the Standford-Binet test, the mean IQ is 100. Aclass of 21 kindergarten pupils were tested with aresulting mean of 94 and a standard deviation of9.12. What is the margin of error of the 90%confidence interval of the average IQ of thekindergarten pupils?Note: Round your answer to 4 decimal places.

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Answered: On the Standford-Binet test, the mean…

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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On the Standford-Binet test, the mean IQ is 100. A class of 21 kindergarten pupils were tested with a resulting mean of 94 and a standard deviation of 9.12. What is the margin of error of the 90% confidence interval of the average IQ of the kindergarten pupils?