4:59 . LTE

4:59 < Back Assignment 7 v2.pdf Q LTE Psy 381 Name: Assignment 7 oar!ial credit when due. 1 . Which Pearson r correlation below is the strongest? (circle the answer) (1 point) -.90 .00 + .50 -.25 2. Consider the following data set, where the same people indicated the number of pets they have (X) and their level of general well-being (assume they filled out a questionnaire on this) (Y). Participant c 4 3 2 5 3 ssx= 10 Mx-3 8 19 8 9 19 17 ssy = 130 15 EXY = Test whether there is a significant correlation between X (# of pets) and Y (general well-being) a). State the hypotheses (Ho and HI). (2 points) b). Find the critical value for an a = .05. (2 points) c). Compute the test statistic (Pearson's r). (2 points) d). Make a decision & write a conclusion statement. (2 points) 3. Draw a scatterplot for the data (X and Y). Based on the scatterplot, briefly describe the 1) 2) and 3) of the association. (3 points) 4. Participants were asked about the number of movies they saw at a theater in the past year and the number of books they read in the past year. Use the following data set to answer the questions below. Dashboard Participant X Calendar Notifications Inbox