Question: Given the data in the table below do the following: Calculate r. (5 points) In testing the significance of r what are the null and

  1. Given the data in the table below do the following:
    1. Calculate r. (5 points)
    2. In testing the significance of r what are the null and alternative hypotheses? (2 points)
    3. Calculate the test statistic for r. (3 points)
    4. Find the critical value, given = 0.05. (2 points)
    5. What is your dependent variable? (1 point)
    6. What is the independent variable? (1 point)
    7. Find the equation of the regression line. (5 points)
    8. Interpret the slope in terms of the variables in this problem. (1 point)
    9. Interpret the y-intercept in terms of the variables in this problem. (1 point)
    10. Find the best predicted level of cotinine for a person who smokes 40 cigarettes per day: (2 points)

Cigarettes per day

40

10

4

13

10

1

18

8

7

10

10

15

Cotinine

179

283

55.6

174

209

9.51

350

1.85

43.4

25.1

408

344

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