Question
A simple random sample of students is selected, and the students are asked how much time they spent
preparing for a test. The times (in hours) are as follows: 1.3 7.2 4.2 12.5 6.6 2.5 5.5 Based on these results, a confidence interval for the population mean is found to be µ = 5.7 ± 4.4. Find the degree of confidence.
preparing for a test. The times (in hours) are as follows: 1.3 7.2 4.2 12.5 6.6 2.5 5.5 Based on these results, a confidence interval for the population mean is found to be µ = 5.7 ± 4.4. Find the degree of confidence.
Answers
34
Random sample of 17 HMO was selected. For each HMO the copy's for a doctors visit was recorded as 9,7,10,9,8,12,6,5,5,11,7,6,7,10,12,8,6 with s 95% confidence interval for the mean co payment
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