For the observations 618, 650, 608, 634, 675, 618, 625, 619, 630 on Buy It Now prices

Question:

For the observations 618, 650, 608, 634, 675, 618, 625, 619, 630 on Buy It Now prices for the iPhone 5s on eBay considered in Exercise 8.35, a confidence interval for the population mean Buy It Now price on eBay is (615, 647). Suppose the 5th observation was actually 875 instead of 675. What would have been obtained for the 95% confidence interval? Compare to the original interval. How does this warn you about potential effects of outliers when you construct a confidence interval for a mean?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

Question Posted: