Question

Table 5.1 below shows the ages x and systolic blood pressures y of 12 women. Table 5.1 Age(x) 56 42 72 36 63 47 55 49 38 42 68 60 Systolicbloodpressure 147 125 160 118 149 128 150 145 115 140 152 155 (y) a) Find the covariance between x and y. b) Find the correlation coefficient between x and y. c) Determine the least-squares regression line of y on x. d) What is the R-square of this regression line? e) Estimate the blood pressure of a woman whose age is 45 years?

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

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