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Confidence interval

I need help solving 95% confidence interval and point estimate problems.

A sample of 16 people are used, each one is to keep track of their time with the following result in hours.

1.8, 1.7, 0.9, 1.1, 1.5, 1.5, 1.2, 0.6, 1.4, 0.9, 0.7, 1.8, 1.7, 2.2, 1.5, 1.3

Construct a 95% confidence interval for the amount of time needed.

What is the point estimate?

What is the error estimate?

Interpret the interval?

Solution Summary

Construction of point and interval estimate are included in the answer in step by step by approach .

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