On Tuesday morning, the student council at a middle school announced its plan to combat the chronic

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On Tuesday morning, the student council at a middle school announced its plan to combat the chronic litter problem in the outdoor lunch area: The 16 large trash cans in the lunch area now each have the name of a popular band on them—they are now referred to as Band-Cans. The Band-Can containing the most trash at the end of each day wins; music from that band’s latest release will be played on the school’s public address system in between classes for the next day. The Band-Cans are 42 inches tall; at the end of each day, starting on Monday (to gather baseline data), the members of the student council will use a tape measure to record how full each Band-Can is (0 = Empty . . . 42 = Full).
Data set: Ch 09 – Exercise 06B.sav
Codebook
Variable: Band
Definition: Name of band on trash can
Type: Alphanumeric
Variable: Monday
Definition: Inches of trash in trash can (baseline)
Type: Continuous
Variable: Tuesday
Definition: Inches of trash in trash can
Type: Continuous

Variable: Wednesday
Definition: Inches of trash in trash can
Type: Continuous
a. Write the hypotheses.
b. Run the criteria of the pretest checklist (Mauchly’s test of sphericity) and discuss your findings.
c. Run the ANOVA repeated measures and document your findings (means and Sig. [p value]), graphical plot, and hypothesis resolution.
d. Write an abstract under 200 words detailing a summary of the study, the ANOVA repeated-measures test results, hypothesis resolution, and implications of your findings.

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