Springdale University and the Springdale United Way jointly administer a student volunteerism program. Last year, students in the program volunteered an average of 7.3 hours of community service per month. Officials are concerned that students might not be putting in as many volunteer hours this year. A random sample of 75 student volunteers from the first 2 months of the year reveals an average of 6.8 hours of community service (s = 1.5 hours). Based on these data, what can program administrators conclude about their initial hypothesis (i.e., that student volunteering is decreasing)?
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