The nine item of samples had following value 45,47,50,52,48, 47,49,53 \& 51 .Does the mean of nine item differ significantly from population mean of 47.5 ?
Question
Solution 1
To answer this question, we need to conduct a one-sample t-test. Here are the steps:
Calculate the sample mean (x̄): Add up all the values and divide by the number of values.
(45+47+50+52+48+47+49+53+51)/9 = 49
Calculate the sample standard deviation (s): Subtract each value from the me Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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