Read through ALL instructions carefully! Part I: Hypothesis Testing For part 1, you will be conducting the four steps of hypothesis testing for several examples of studies comparing single samples to a population. The single sample t-test is used to test a sample against a population to determine if the means are significantly different from one another. In other words, researchers test the sample mean against the known population test value. 1). In a recent survey, it was stated that Americans watch television on average four hours per day ( = 4). Researchers in the communication department wanted to determine if the average for University of Memphis students is lower. a). In words, define the dependent variable (i.e., what is being measured?). b). State your hypotheses in words or symbols: H0: HA: Is this a one-tailed (directional) or two-tailed (non-directional) test