A study of a local high school tried to determine the mean amount of money that each student had saved. The study surveyed a random sample of 31 students in the high school and found a mean savings of 2600 dollars with a standard deviation of 500 dollars. Determine a 95% confidence interval for the mean, rounding all values to the nearest whole number.
Added by Hasan M.
Step 1
- Sample mean (\(\bar{x}\)) = $2,600 - Sample standard deviation (s) = $500 - Sample size (n) = 31 - Confidence level = 95% Show more…
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