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how to find the sample mean on statcrunch. Z x-m s where m is the population mean and s is the population standard deviation. Stat - T stat- one sample- with data Select the variable whose mean you want to test for Perform - Select Hypothesis Test.
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Then subtract the mean from each data point and square the differences. From the previous resulting summary statistics choose Options Edit to reopen the dialog window. Click the button in front of onfidence interval for.
To compute the appropriate two-sample T hypothesis test results choose the Stat T Stats Two Sample With Summary menu option.
I have many more StatCrunch videos. This tutorial covers the steps for conducting hypothesis tests for the difference between two means in StatCrunch. I have many more StatCrunch videos. A typical MyStatLab problem for finding the required minimum sample size for a given confidence level and margin of error.
