The decision-making process A graduate student believes that people consider fac

Question

The decision-making process A graduate student believes that people consider faces with more contrast between eye color and skin tone as more feminine. She identifies the null and alternative hypotheses as: H_0: The level of contrast between eye color and skin tone does not affect how feminine a face is considered. H_1: The level of contrast between eye color and skin tone affects how feminine a face is considered. She chooses a significance level of .01. After she collects the data and computes the sample statistics, it is time for her to make a decision about H_0. There is not enough evidence to reject the hypothesis that the contrast between eye color and skin tone affects how feminine a face is considered. There is not enough evidence to reject the hypothesis that the contrast between eye color and skin tone does not affect how feminine a face is considered. There is enough evidence to reject the hypothesis that the contrast between eye color and skin tone does not affect how feminine a face is considered. There is enough evidence to reject the hypothesis that the contrast between eye color and skin tone affects how feminine a face is considered.

Explanation / Answer

The 2 decisions she can take is either to reject Ho or not to reject Ho, which is options 2 and 3.

Ho is The level of contrast between eye colour amd skin tone does not affect how feminine a face is considered.

So option 2 states; there is not enough evidence to reject the Null Hypothesis H0, i.e accept Ho and reject H1

Option 3 states that there is enough evidence to reject the null hypothesis. i.e reject H0 and accept H1.

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