Question

chest size (inches)	44	59	55	59	57	44
weight (pounds)	403	645	563	587	548	406

The data show the chest size and weight of several bears. Find the regression​ equation, letting chest size be the independent​ (x) variable. Then find the best predicted weight of a bear with a chest size of 53 inches. Is the result close to the actual weight of 555 ​pounds? Use a significance level of 0.05.

What is the regression​ equation?

The best predicted weight for a bear with a chest size of 53 inches is    pounds.

Is the result close to the actual weight of 555 ​pounds?

Answer 1

Given :

let x be the chest size in inches

y be the weight ( pounds )

= 318

= 525.3333

Mean,

Mx = 53 and

My = 525.3333