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, what is the 95 percent confidence interval?
A) [6.92, 9.41]
B) [7.24, 9.09]
C) [7.75, 8.58]
D) [7.85, 10.48]
Correct Answer:
Verified
Correct Answer:
Verified
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