A credit card company takes a random sample of 100 cardholders to see how much they charged

Question:

A credit card company takes a random sample of 100 cardholders to see how much they charged on their card last month. Here's a histogram.

image text in transcribed
A computer program found that the resulting 95% confidence interval for the mean amount spent in March 2011 is (-$28,366.84, $90,691.49). Explain why the analysts didn't find the confidence interval useful, and explain what went wrong.
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

Question Posted: