17. A researcher predicted that student's mood would increase after watching a cute animal video. The researcher recruited 10 college students for this study. Upon entering the study, the researcher asked all participants for a mood rating. The researcher then had all participants watch a 5-minute cute animal video. Following the video, participants were asked to report their mood again. Mood was measured on a scale from I (terrible mood) to 10 (excellent mood). Use the data below answer the following questions. Mood before video (X1) Mood after video (Xx) a. Is the research hypothesis one tailed or two tailed? (1 point) b. State the research hypothesis. (1 point) c. State the null hypothesis. (1 point) d. Calculate t using the appropriate test. (4 points) e. How many degrees of freedom do you have? (1 point) f. What is the critical value from Table T using alpha level of 0.05? (1 point) g. Should the researcher reject the null or fail to reject the null? (1 point) h. Write the results in APA format. (2 points)