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# A one-sided confidence interval can be found for a mean by

ISBN: 9780073534985 75

## Solution for problem 21EC Chapter 7.2

Elementary Statistics: A Step By Step Approach | 9th Edition

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Problem 21EC

A one-sided confidence interval can be found for a mean by using

or

where ta is the value found under the row labeled One tail. Find two one-sided 95% confidence intervals of the population mean for the data shown, and interpret the answers. The data represent the daily revenues in dollars from 20 parking meters in a small municipality.

 2.6 1.05 2.45 2.9 1.3 3.1 2.35 2 2.4 2.35 2.4 1.95 2.8 2.5 2.1 1.75 1 2.75 1.8 1.95
Step-by-Step Solution:

Solution:

Step 1 of 2:

The given data is

 X 2.6 1.3 2.4 2.8 1 1.05 3.1 2.35 2.5 2.75 2.45 2.35 2.4 2.1 1.8 2.9 2 1.95 1.75 1.95 = 43.5

We have to find two one-sided 95% confidence intervals of the population mean.

Step 2 of 2

##### ISBN: 9780073534985

Elementary Statistics: A Step By Step Approach was written by and is associated to the ISBN: 9780073534985. This full solution covers the following key subjects: confidence, sided, mean, data, found. This expansive textbook survival guide covers 33 chapters, and 1015 solutions. Since the solution to 21EC from 7.2 chapter was answered, more than 235 students have viewed the full step-by-step answer. The answer to “A one-sided confidence interval can be found for a mean by using or where ta is the value found under the row labeled One tail. Find two one-sided 95% confidence intervals of the population mean for the data shown, and interpret the answers. The data represent the daily revenues in dollars from 20 parking meters in a small municipality.2.601.052.452.901.303.102.352.002.402.352.401.952.802.502.101.751.002.751.801.95” is broken down into a number of easy to follow steps, and 59 words. This textbook survival guide was created for the textbook: Elementary Statistics: A Step By Step Approach , edition: 9. The full step-by-step solution to problem: 21EC from chapter: 7.2 was answered by , our top Statistics solution expert on 09/01/17, 05:46AM.

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