A) Compute sample mean and sample standard deviation B) Using results form part (A) build a 90% confidence interval around population mean and interpret it.Confidence
A) Compute sample mean and sample standard deviation B) Using results form part (A) build a 90% confidence interval around population mean and interpret it.Confidence Interval: In a marketing study a sample of 10 customers are randomly selected and their preference for a product record (on the scale of 1 to 10). The result is as follows: ID preference 1 3 2 4 3 3 4 6 7 iin 6 4 10 1 9 9 10 8
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