Use the data set workout_exam2.sav to answer the final questions.  A researcher from the Exercise and Science Department is interested in preferences for different types of workouts and the impact on health. Data from 60 FAU undergraduate students were collected, 20 of whom prefer cardio workouts, 20 who prefer weight lifting, and 20 who prefer a program which contains both cardio and weight lifting exercises (workout). The researcher recorded the participants’ weight, their sex, their preferred type of workout, whether or not they had a trainer, and their overall health using the Hunter-Joseph Health Scale, where 1 = poor health and 10 = excellent health. The researcher is interested in the effects of (1) trainer and (2) workout type on participants’ health (HJHS score). Perform a statistical test to examine whether having a trainer and workout type influence health.  Upload your output file showing this test.

What are your degrees of freedom for this data set?

The t test for independent means is used when each group is tested ____________.

The t test for independent means is used when each group is tested ____________.

What does the number 58 represent in the following: t(58) = 2.001, p < .05?

A study looks at several companies’ profits before and after the introduction of a environmentally friendly initiative. Below is the data that was collected (note: N/A means data is missing because the company failed to report it).   Profit of Companies (in millions of dollars) Pre-Initiative Post-Initiative Company 1 12.7 13.2 Company 2 10.4 12.5 Company 3 9.5 8.5 Company 4 N/A 8.4 Company 5 8.6 8.9 Company 6 N/A 10.7 Company 7 6.9 6.5 Company 8 7.7 9.9 Company 9 10.1 9.8 Company 10 11.8 N/A Company 11 12.2 14.5 Company 12 8.9 9.7   What are the degrees of Freedom for this test?

In everyday language, explain what these results tell us about the effects of trainer and workout type on participants’ HJHS scores. Be sure to mention both the main effects and the interaction effect. Which were significant? Which were not? What do the results mean? No APA style report is required. No need to type p-values or exact mean scores. Reporting the results in correct APA style will earn you a bonus point, but it is not required.

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Based on the significance you found, which of these should be your conclusion?

If you found t(23) = 1.70, how many participants were there?