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Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 9.2 - Problem 42e
Get Full Access to Applied Statistics And Probability For Engineers - 6 Edition - Chapter 9.2 - Problem 42e

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# The mean water temperature downstream from a discharge ISBN: 9781118539712 55

## Solution for problem 42E Chapter 9.2

Applied Statistics and Probability for Engineers | 6th Edition

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Problem 42E

Problem 42E

The mean water temperature downstream from a discharge pipe at a power plant cooling tower should be no more than 100°F. Past experience has indicated that the standard deviation of temperature is 2°F. The water temperature is measured on nine randomly chosen days, and the average temperature is found to be 98°F

(a) Is there evidence that the water temperature is acceptable At α = 0.05 ?

(b) What is the P -value for this test?

(c) What is the probability of accepting the null hypothesis at α = 0.05 if the water has a true mean temperature of 104°F?

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PSYCH STATS POWERPOINT 3 ● percentile is a score that is used to determine the percentile rank ● central tendency: single score chosen to represent the entire set of scores ○ defines the center of distribution ○ allows you to compare 2 sets of data ● problems… its a single score ○ no standard procedure to calculate ○ not all distributions are the same ■ some aren’t symmetrical and this makes it more difficult to determine the best value to be representative of the sample ● the mean: the average ● median: middle value ● mode: most common value Mode ● calculated by looking at the most common value ● taken straight from the scores ● best used for nominal data ● if two values occ

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##### ISBN: 9781118539712

This textbook survival guide was created for the textbook: Applied Statistics and Probability for Engineers , edition: 6. Since the solution to 42E from 9.2 chapter was answered, more than 471 students have viewed the full step-by-step answer. Applied Statistics and Probability for Engineers was written by and is associated to the ISBN: 9781118539712. This full solution covers the following key subjects: temperature, Water, mean, measured, cooling. This expansive textbook survival guide covers 97 chapters, and 2005 solutions. The full step-by-step solution to problem: 42E from chapter: 9.2 was answered by , our top Statistics solution expert on 07/28/17, 07:57AM. The answer to “The mean water temperature downstream from a discharge pipe at a power plant cooling tower should be no more than 100°F. Past experience has indicated that the standard deviation of temperature is 2°F. The water temperature is measured on nine randomly chosen days, and the average temperature is found to be 98°F(a) Is there evidence that the water temperature is acceptable At ? = 0.05 ?(b) What is the P -value for this test?(c) What is the probability of accepting the null hypothesis at ? = 0.05 if the water has a true mean temperature of 104°F?” is broken down into a number of easy to follow steps, and 97 words.

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