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1. Buddy the Elf wanted to see if there is a relationship between the number of timeouts children are put in a year and number
1. Buddy the Elf wanted to see if there is a relationship between the number of timeouts children are put in a year and number of presents they receive for the holidays. He takes a random sample of nine children from the naughtyice list. The data is presented in the table below. Number of Timeouts (X) Number of Presents (Y) 0 15 UN 0 13 16 8 3 42 2 1 80 10 37 EX = 86 EX2 = 2,226 EY = 158 EY2 = 8,206 EXY = 607 1A. Conduct a hypothesis test using the following steps. Set alpha = 0.05, two-tailed Step 1: State the hypotheses in symbols (including both Ho and H1). (1 point) Step 2: Set up the criteria for making the decision. That is, find the critical value. (1 point) Step 3: Summarize the data into the appropriate test-statistic. That is, compute the correlation. 3 points) Step 4: Evaluate the Null Hypothesis (Reject or Fail to Reject?) (1 point) Step 5: State your conclusion (in words). (1 point) 1B. What proportion of variability of number of presents received can be explained by the variability of number of timeouts? (1 point)
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