a) Calculate Bo, the value of the estimated intercept. b) Calculate the estimated systolic blood pressure of a 50 year old male with a BMI of 28. c) Calculate a measure to determine the strength of the linear relationship between X and Y

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
icon
Related questions
Question

a) Calculate Bo, the value of the estimated intercept.
b) Calculate the estimated systolic blood pressure of a 50 year old male with a BMI of 28.

c) Calculate a measure to determine the strength of the linear relationship between X and Y

The relationship between body mass index (BMI) and systolic blood pressure in males 50 years of age is investigated. A random sample
14 males is selected and their BMIl and systolic blood pressures are measured.
of n
%3D
Let X be the body mass index (BMI) and Y the systolic blood pressure of males, 50 years of age.
Given:
The average and variance of the BMI is X = 26 and Var(X) = 11.104.
The average and variance of the systolic blood pressure is Y = 132 and Var(Y) = 205.
The covariance between X and Y is Cov(X,Y) = 35.1.
For the estimated regression equation Y = Bo + B,X, it was found that 3
%3D
%3D
3.161.
%3D
Transcribed Image Text:The relationship between body mass index (BMI) and systolic blood pressure in males 50 years of age is investigated. A random sample 14 males is selected and their BMIl and systolic blood pressures are measured. of n %3D Let X be the body mass index (BMI) and Y the systolic blood pressure of males, 50 years of age. Given: The average and variance of the BMI is X = 26 and Var(X) = 11.104. The average and variance of the systolic blood pressure is Y = 132 and Var(Y) = 205. The covariance between X and Y is Cov(X,Y) = 35.1. For the estimated regression equation Y = Bo + B,X, it was found that 3 %3D %3D 3.161. %3D
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill