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A researcher wants to look at how exercise affects mood. she anticipates that exercising more will...

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Psychology

A researcher wants to look at how exercise affects mood. sheanticipates that exercising more will improve mood. she has a groupof participants run for 30 minutes and then has them rate how happythey feel on a scale from 0-10 and obtains the following scores:9,7,8,5,7,6,4. The population mean on this Likert scale is 5. Use at-test to determine if the treatment is statisticallysignificant/you should reject the null hypothesis at the .05, .01,and .001 p-values.

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A Likerttype question or item asks respondents to select one of several usually four or five responses that are ranked in order of strength Heres an example Indicate what you think about the following statements using    See Answer
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