Controllable method of increasing the precision

Assignment Help Basic Statistics

Reference no: EM13105827

Have been searching for the answers for these two questions for the past three days and cannot find them. Number 3 I answered but I want to check to see if I answered it correctly. Can anyone assist? Thank you in advance.

1. What is the most controllable method of increasing the precision (narrowing) of the confidence interval?

2. What percentage of times will the mean (population proportion) not be found within the confidence interval?

3. When you draw a sample from a normal distribution, what can you conclude about the sample distribution? Explain.

Reference no: EM13105827

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