A Researcher Collects 25 Data Points That Yield a Mean

question 12

Multiple Choice

A researcher collects 25 data points that yield a mean of 8.164 and a standard deviation (based on N - 1) of 2.237.If the researcher is comparing the sample to a population mean of 9.2 using a single-sample t test, what would be the effect size?

• A) -0.60
• B) -0.46
• C) 0.46
• D) 0.68

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