Hi, kindly help me with how to solve this problem. I've seen some solutions, but I still don't understand :/ A sample of the reading scores of 35 fifth-graders has a mean of 82. The standard deviation...


Hi, kindly help me with how to solve this problem. I've seen some solutions, but I still don't understand :/


A sample of the reading scores of 35 fifth-graders has a mean of 82. The standard deviation of the sample is 15.
a) Find the 95% confidence interval of the mean reading scores of all fifth-graders.

b) Find the 99% confidence interval of the mean reading scores of all fifth-graders.

c) Which interval is larger? Explain why



Jun 01, 2022
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