A national newspaper reported that the state with the longest mean life span is Hawaii, where the population mean life span is 78 years. A random sample of 20 obituary notices in the Honolulu Advertizer gave the following information about life span (in years) of Honolulu residents. 72 68 81 93 56 19 78 94 83 84 77 69 85 97 75 71 86 47 66 27 1. Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.) 2. What is the value of the sample test statistic? (Round your answer to three decimal places.)
A national newspaper reported that the state with the longest mean life span is Hawaii, where the population mean life span is 78 years. A random sample of 20 obituary notices in the Honolulu Advertizer gave the following information about life span (in years) of Honolulu residents. 72 68 81 93 56 19 78 94 83 84 77 69 85 97 75 71 86 47 66 27 1. Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.) 2. What is the value of the sample test statistic? (Round your answer to three decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A national newspaper reported that the state with the longest
72 | 68 | 81 | 93 | 56 | 19 | 78 | 94 | 83 | 84 |
77 | 69 | 85 | 97 | 75 | 71 | 86 | 47 | 66 | 27 |
1. Use a calculator with sample mean and standard deviation keys to find x and s. (Round your answers to two decimal places.)
2. What is the value of the sample test statistic? (Round your answer to three decimal places.)
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