An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90% confidence that the sample mean is within 4 IQ points of the true mean. Assume that o= 12 and determine the required sample size using technology. Then determine if this is a reasonable sample size for a real world calculation. The required sample size is www (Round up to the nearest integer.)
An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90% confidence that the sample mean is within 4 IQ points of the true mean. Assume that o= 12 and determine the required sample size using technology. Then determine if this is a reasonable sample size for a real world calculation. The required sample size is www (Round up to the nearest integer.)
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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![An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population of normal adults.
Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90%
confidence that the sample mean is within 4 IQ points of the true mean. Assume that o = 12 and determine the required
sample size using technology. Then determine if this is a reasonable sample size for a real world calculation.
The required sample size is (Round up to the nearest integer.)
new an example Get more help.
***
Search LC
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Transcribed Image Text:An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population of normal adults.
Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90%
confidence that the sample mean is within 4 IQ points of the true mean. Assume that o = 12 and determine the required
sample size using technology. Then determine if this is a reasonable sample size for a real world calculation.
The required sample size is (Round up to the nearest integer.)
new an example Get more help.
***
Search LC
*****esseses
ses cosessess co
****
002 646
*****
#06
####
****** *****
******
6
GUERES
FORS
****
Ges
Tu
090
DOW
***
#
*$ er
*******
Clear all
& Geass
5000
890 **
***
*****
Check answer
******
Pasas
98
239-25
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