Age (X) 26 53 31 58 46 58 70 The following are the ages (years) and systolic blood pressures of 20 apparently healthy adults: Age (X) 20 43 63 BP (Y) 126 134 128 136 132 140 144 BP (Y) 120 128 141 Age (X) 20 63 43 26 19 31 23 Age (X) 46 53 70 BP (Y)

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Age (X) 26 53 31 58 46 58 70 The following are the ages (years) and systolic blood pressures of 20 apparently healthy adults: Age (X) 20 43 63 BP (Y) 126 134 128 136 132 140 144 BP (Y) 120 128 141 Age (X) 20 63 43 26 19 31 23 Age (X) 46 53 70 BP (Y) 124 143 130 124 121 126 123 BP (Y) 128 136 146 (Continued) Find the simple linear regression equation and test Ho B₁ = 0 using both ANOVA and the t test. Test Ho: p= 0 and construct a 95 percent confidence interval for p. Find the 95 percent prediction interval for the systolic blood pressure of a person who is 25 years old. Let a = .05 for all tests.

Expert Answer

x (Age) y (BP) x^2 y^2 xy 20 120 400 14400 2400 43 128 1849 16384 5504 63 141 3969 19881 8883 26 126 View the full answer