Question

QUESTION 4. (3 marks) For the following data of the heights (x) in cm and the body mass(y) in kg of ten people, Find (i) The regression line $y = b_0 + b_1 x$ (ii) Draw the scatter graph and fit the line. (iii) Correlation coefficient 'r' between x and y. (iv) Find the body mass (y) if the height is 171 cm. Height (x) : 176, 154, 138, 196, 132, 176, 181, 169, 150, 175 Body mass (y) : 82, 49, 53, 112, 47, 69, 77, 71, 62, 78 Answer:

          QUESTION 4.
(3 marks)
For the following data of the heights (x) in cm and the body mass(y) in kg of ten people,
Find (i) The regression line $y = b_0 + b_1 x$
(ii) Draw the scatter graph and fit the line.
(iii) Correlation coefficient 'r' between x and y.
(iv) Find the body mass (y) if the height is 171 cm.
Height (x) : 176, 154, 138, 196, 132, 176, 181, 169, 150, 175
Body mass (y) : 82, 49, 53, 112, 47, 69, 77, 71, 62, 78
Answer:

QUESTION 4.
(3 marks)
For the following data of the heights (x) in cm and the body mass(y) in kg of ten people,
Find (i) The regression line y = b0 + b1 x
(ii) Draw the scatter graph and fit the line.
(iii) Correlation coefficient 'r' between x and y.
(iv) Find the body mass (y) if the height is 171 cm.
Height (x) : 176, 154, 138, 196, 132, 176, 181, 169, 150, 175
Body mass (y) : 82, 49, 53, 112, 47, 69, 77, 71, 62, 78
Answer:

Added by Darren D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

06/21/2023

Step 1

Step 1: To find the regression line, we need to calculate the slope (b₁) and the y-intercept (bo). Show more…

Show all steps

Thanks for your feedback!

QUESTION 4. (3 marks) For the following data of the heights (x) in cm and the body mass(y) in kg of ten people, Find (i) The regression line y = bo + b₁ x (ii) Draw the scatter graph and fit the line. (iii) Correlation coefficient 'r' between x and y. (iv) Find the body mass (y) if the heigh is 171 cm. Height (x): 176, 154, 138, 196, 132, 176, 181, 169, 150, 175 Body mass (y): 82, 49, 53, 112, 47, 69, 77, 71, 62, 78 Answer: