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Change in Study Design or Results The z statistic An increase in the significance level (such as using a = .05 instead of a = .01) Decreases An increase in the population variance (o²) Stays the same An increase in the obtained difference (M - p) A switch from using a two-tailed test to a one-tailed test Decreases Increases Suppose you reject the null hypothesis. Then, the results of your study are

Change in Study Design or Results The z statistic An increase in the significance level (such as using a = .05 instead of a = .01) Decreases An increase in the population variance (o²) Stays the same An increase in the obtained difference (M - p) A switch from using a two-tailed test to a one-tailed test Decreases Increases Suppose you reject the null hypothesis. Then, the results of your study are

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Attempts 1.3 Keep the Highest 1.3/2 9. Factors that influence a hypothesis test Suppose you conduct a hypothesis test about a population mean when the standard deviation is known (a "z test") by calculating a z statistic and determining whether to reject the null hypothesis. Assume that your z statistic is a positive value and that you will reject the null hypothesis when z is very large. Listed below are possible changes to the study design or to the results of the study. Determine whether the z statistic increases, decreases, or stays the same for each of these changes. Use the dropdown menus in the right-hand column to indicate your choice. Change in Study Design or Results The z statistic An increase in the significance level (such as using a = .05 instead of a = .01) Decreases An increase in the population variance (o²) Stays the same An increase in the obtained difference (M - H) Decreases A switch from using a two-tailed test to a one-tailed test Increases Suppose you reject the null hypothesis. Then, the results of your study are
Transcribed Image Text:Attempts 1.3 Keep the Highest 1.3/2 9. Factors that influence a hypothesis test Suppose you conduct a hypothesis test about a population mean when the standard deviation is known (a "z test") by calculating a z statistic and determining whether to reject the null hypothesis. Assume that your z statistic is a positive value and that you will reject the null hypothesis when z is very large. Listed below are possible changes to the study design or to the results of the study. Determine whether the z statistic increases, decreases, or stays the same for each of these changes. Use the dropdown menus in the right-hand column to indicate your choice. Change in Study Design or Results The z statistic An increase in the significance level (such as using a = .05 instead of a = .01) Decreases An increase in the population variance (o²) Stays the same An increase in the obtained difference (M - H) Decreases A switch from using a two-tailed test to a one-tailed test Increases Suppose you reject the null hypothesis. Then, the results of your study are
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