Please give specific interpretations.. TIA Copy and paste a 92% confidence inter

Question

Please give specific interpretations.. TIA

Copy and paste a 92% confidence interval for the mean closing price of all stocks on the NASDAQ exchange in the space provided. Answer the following questions regarding this printout: a. What assumptions are necessary for this | variable N LO 92% CI 31.019 Up 92% CI 231.85 confidence interval to be valid? Make sure close you use the words of the problem when stating this assumption he words of the problem 25 Suppose l claim that the mean closing price of all NASDAQ stocks was $22. Based on the interval you created, make a statement regarding my claim. b.

Explanation / Answer

PART A.
Assumptions:
we consider that distribution is roughly normal, as the ssample size larger
interpretations:
1. we are 92% sure that the interval [31.019 , 231.85 ] contains the true population mean
2. if a large number of samples are collected, and a confidence interval is created
for each sample, 92% of these intervals will contains the true population mean

PART B.
NASDAQ stock value of $22 is out of bound since it lies outside the interval
achived. we don't claim that mean closing price of all NASDAQ stocks was $22

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