A sample of 100 people had a mean depression score of 85; the population mean for this
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A sample of 100 people had a mean depression score of 85; the population mean for this depression measure is 80, with a standard deviation of 20. A different sample of 100 people had a mean score of 17 on a different depression measure; the population mean for this measure is 15, with a standard deviation of 5.
a. Convert these means to z statistics.
b. Using the z statistics, what can you say about how these two means compare to each other?
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a b The first sample had a mean that was 250 standard deviations above the ...View the full answer
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Related Book For
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781464107771
3rd Edition
Authors: Susan A. Nolan
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