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in the city, the average weight of adults is 190 pounds with standard deviation 15 pounds. the weight of a sample of 24 workers at

in the city, the average weight of adults is 190 pounds with standard deviation 15 pounds. the weight of a sample of 24 workers at ABC Inc. is recorded. the question is; Find the test statistics z=

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140 160 180 200 220 Quantiles Summary Statistics Mean 176.95833 Std Dev 20.382173 Std Err Mean 4.1604936 Upper 95% Mean 185.56497 Lower 95% Mean 168.3517 N 24 Test Mean Hypothesized Value 190 Actual Estimate 176.958 DF 23 Std Dev 20.3822 Sigma given 15 z Test Test Statistic -4.2594 Prob = z -.0001 Prob > z 1,0000 Click here to access the IMP applet in a new window

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