57.5 74.3 46.4 64.7 48.1 49.6 53.3 58 63.6 42.9 58.7 47.5 49 40 49.5 57.6 48.7 65.3 57.1 49.
57.5 74.3 46.4 64.7 48.1 49.6 53.3 58 63.6 42.9 58.7 47.5 49 40 49.5 57.6 48.7 65.3 57.1 49.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Listed below are the lengths (in minutes) of randomly selected music CDs from record label ABC, published in the last 10 years.
| 65 | 59.7 | 59.8 | 29.2 | 66.6 | 55.4 | 66.5 |
| 73.1 | 47.2 | 46.4 | 59.6 | 65.4 | 47.1 | 54.6 |
| 63.1 | 57.5 | 74.3 | 46.4 | 64.7 | 48.1 | 49.6 |
| 53.3 | 58 | 63.6 | 42.9 | 58.7 | 47.5 | 49 |
| 40 | 49.5 | 57.6 | 48.7 | 65.3 | 57.1 | 49.4 |
| 42.7 | 60 | 26.4 | 56.7 | 41.2 |
Use this data to construct a 98% confidence interval. Hint: Do not type this data in by hand. Not only is this tedious, but people make errors.
What is our test statistic?
What is the two-tailed p-value of this result?
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