Score: / Attempts 1. Gravetter/Wallnau Essentials - Chapter 12 - End-of-chapter

Question

Score: / Attempts 1. Gravetter/Wallnau Essentials - Chapter 12 - End-of-chapter question 2 Several factors influence the size of the F-ratio. For each of the following, indicate whether it would influence the Aa Aa numerator or denominator of the F-ratio, and indicate whether the size of the F-ratio would increase or decrease. Increasing the differences between the sample means: O As the differences between sample means increase, MSbetween decreases, and the F-ratio decreases. O As the differences between sample means increase, MSbetween also increases, and the F-ratio increases. O As the differences between sample means increase, MS between decreases, and the F-ratio increases. O As the differences between sample means increase, MS between also increases, and the F-ratio decreases. Increasing the size of the sample variances O Increases in sample variability cause MSwithin to increase and, thereby, decrease the F-ratio. O Increases in sample variability cause MSwithin to decrease and, thereby, decrease the F-ratio. O Increases in sample variability cause MSwithin to increase and, thereby, increase the F-ratio. O Increases in sample variability cause MSwithin to decrease and, thereby, increase the F-ratio. Flash Player WIN 3o.0,0,11 3 3.34.1 C 2004-2016 Aplia. All righs reserved 2013 Cengage Learning ekcept es noted. All righ Graded Save & Continue

Explanation / Answer

1)

as the difference between sample means increase; MS between also increases and F ratio increases

2)

increase in sample variability cause MS within to increase and thereby decrease the F ratio,

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