Riverbend City online news advertises that it is read longer than the national news. The mean for national news is 8 hours per week. The following sample of the Riverbend City online news readers is: 5, 7, 6, 2, 4, 8, 5, 4, 18, 21, 8, 7, 4, 5, 6.

Criterion: Identify IV, DV, and hypotheses and evaluate the null hypothesis for an independent samples t test.

Instructions: Complete the following:

a.Identify the IV and DV in the study. _____________________________________

b.State the null hypothesis and the directional (one-tailed) alternative hypothesis. ___________________________________________________

c.Can you reject the null hypothesis at = .05? Explain why or why not. ___________________________________________________