# Students of the author collected data measuring the accuracy of wristwatches. The times (sec) below show the discrepancy between the

## Question:

Students of the author collected data measuring the accuracy of wristwatches. The times (sec) below show the discrepancy between the real time and the time indicated on the wristwatch. Negative values correspond to watches that are running ahead of the actual time. The data appear to be from a normally distributed population. Construct a 95% confidence interval estimate of the mean discrepancy for the population of wristwatches.

-85 325 20 305 -93 15 282 27 555 570 -241 36

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**Related Book For**

## Mathematical Interest Theory

**ISBN:** 9781470465681

3rd Edition

**Authors:** Leslie Jane, James Daniel, Federer Vaaler

**Question Details**

Chapter #

**7**Section: Review Exercises

Problem: 7

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**Question Posted:**September 11, 2023 04:12:31