Asked by julie
a random sample of 20 prices for summer sleeping bags was taken with a sample mean of $83.75 and a sample standard deviation of $29.97
a. Find a 95% confidence interval for the mean price of all summer sleeping bags.
b. what is m i.e., what is the margin of error?
a. Find a 95% confidence interval for the mean price of all summer sleeping bags.
b. what is m i.e., what is the margin of error?
Answers
Answered by
PsyDAG
a. 95% = mean ± 1.96 SEm
SEm = SD/√n
b. If you are talking about alpha error, P = .05.
SEm = SD/√n
b. If you are talking about alpha error, P = .05.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.