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

Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman ISBN: 9780073534985 75

Solution for problem 21EC Chapter 7.2

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

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Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman

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.

2.60

1.05

2.45

2.90

1.30

3.10

2.35

2.00

2.40

2.35

2.40

1.95

2.80

2.50

2.10

1.75

1.00

2.75

1.80

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

Chapter 7.2, Problem 21EC is Solved
Textbook: Elementary Statistics: A Step By Step Approach
Edition: 9
Author: Allan Bluman
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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