Question: I need help with these questions 7. (20 points) The effect of exercise on the amount of lactic acid in blood was examined in the

I need help with these questions

7. (20 points) The effect of exercise on the amount of lactic acid in blood was examined in the article "A Descriptive Analysis of Elite-Level Racquetball" (Research Quarterly for Exercise and Sport [1991]: 109-114). Five women who were attending a week-long training camp participated in the experiment. Blood lactate levels were measured before and after playing three games of racquetball, as shown in the table below. Player Before After am Is there significant evidence that the lactate levels increased after the training camp? State the appropriate hypotheses and test using significance level a = 0.01. What is your conclusion? (b) (8 points) Construct and interpes customers who purchase dessert. population proportion o

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