In a sample of 14 commuters in Chicago, the average commuting time was found to

Question

In a sample of 14 commuters in Chicago, the average commuting time was found to be 33.2 minutes. Based on the sample data, a 95% confidence interval for mu was found to be (24.9, 41.5). Using the context of the problem, give an interpretation of the interval. In a sample of 9, 605 Americans, 53% said that they skip breakfast at least once a week. Based on the sample data, a 95% confidence interval for p was found to be (.521, .539). Using the context of the problem, give an interpretation of the interval.

Explanation / Answer

1) INTERPRETATION: 95% of the times the population mean commuting time was lies between the interval 24.9 and 41.5 and 5% of the times it was fail.

1) INTERPRETATION: Out of the total population of america,95% of the times the skipping proportion of breakfast was lies between the interval 0.521 and 0.539 and 5% of the times it was fail.

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