Question

The table below shows the arm spans (in inches) and the heights (in inches) of 10 randomly selected people.

Arm Span, x	51	52	56	49	54	59	58	55	52	56
Height, y	51	53	54	50	55	57	58	57	52	56

1) Construct the 1% confidence interval for the population slope β 1. Make sure your answers follow the rounding rule in the direction.

Lower endpoint =

Upper endpoint =

2) Fill in the blanks in the following statement.

We are 99% confident that, among all people, for each additional inch in the arm span, the average height increases by between  inches and  inches.

Answer 1

Answer:

Given that:

The table below shows the arm spans (in inches) and the heights (in inches) of 10 randomly selected people.

Arm Span, x	51	52	56	49	54	59	58	55	52	56
Height, y	51	53	54	50	55	57	58	57	52	56

1)  

2) We are 99% confident that among all people for each additional inch in the arm span the average height increased between 0.382296 inches and 1.198503 inches