Eile Edit Yiew Higtory Bookmarks Iools Help MindTap-Cengage Learning × ii ng.cen

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Eile Edit Yiew Higtory Bookmarks Iools Help MindTap-Cengage Learning × ii ng.cengage.com/static/nb/ui/index.html?nbld-729068&nbNodel; ( 100 search MINDTAP From Cengage Marlena A SPSS Lab II Due Today at 11:59 PM EST Attempts: 0 4. Interpreting statistical software output for an independent-measures t-test You are a marketing expert for a company that is producing a new ki Do No Harm: 0/2 Aa Aa nd of energy bar. You want to provide evidence at consuming the new type of bar 1 hour before engaging in strenuous exercise of long duration-such as run marathon- will improve performance. You decide to conduct a test at a half-marathon race. You give randomly selected group of 60 participants (the treatment group). You randomly select a second group of 60 participants, to whom you do not give the energy bar (the control group). ning a the bar to a The average time for the control group was 2 hours and 32 minutes (2:32, or 152 minutes) with a standard deviation of 28 minutes. The average time for the treatment group was 2 hours and 21 minutes (2:21, or 141 minutes) with a standard deviation of 25 minutes. You use a statistical computing package to conduct the independent-measures t test. The following tables represent your output Group Statistics

Explanation / Answer

The p-value of F test is : 0.287

Since p-value is greater than 0.05 so we can assume that variances are equal.

Second option is correct.

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Since p-value 0.002 is less than 0.05 so results are significant.

First option is correct.

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