For each data set: a) Draw a scatter plot b) Estimate the correlation in words ( positive, negative, none) c) Calculate the correlation coefficient r. i) the following data represent the person’s age and the number of hours a person exercises. AGE x 18 26 32 38 5 2 59 hours y 10 5 2 3 1.5 1 II) The following table gives the average daily temperature and the corresponding average monthly precipitation for the month of June. Avg daily temp x 86 81 83 89 80 74 64 Average mo. preecip y 3.4 1.8 3.5 3.6 3.7 1.5 0.2 III) A study was conducted to determine whether there is a relationship between strength and speed. 20-year-old males were asked to do push-ups and to run a specific course. Push-ups x 5 8 10 10 11 13 15 18 23 time to run y 61 65 43 56 62 73 48 49 50
For each data set:
a) Draw a scatter plot
b) Estimate the
c) Calculate the
i) the following data represent the person’s age and the number of hours a person exercises.
AGE x 18 26 32 38 5 2 59
hours y 10 5 2 3 1.5 1
II) The following table gives the average daily temperature and the corresponding average monthly precipitation for the month of June.
Avg daily temp x 86 81 83 89 80 74 64
Average mo. preecip y 3.4 1.8 3.5 3.6 3.7 1.5 0.2
III) A study was conducted to determine whether there is a relationship between strength and speed. 20-year-old males were asked to do push-ups and to run a specific course.
Push-ups x 5 8 10 10 11 13 15 18 23
time to run y 61 65 43 56 62 73 48 49 50
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