A sample of 43 individuals at a shopping mall found that the mean number of visits to a restaurant per week was 2.65 with a standard deviation of 1.49. Find a 95% confidence interval for the mean number of restaurant visits.
Added by Kim R.
Step 1
49 / sqrt(43) ≈ 1.49 / 6.557 ≈ 0.227. Show more…
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