(a) Find the slope by using the formula (b) Find the y-intercept by using the formula a -y - br (c) Find the regression equation, using the words "IHand" and "Foot," not z and y. (d) Using the regression equation, predict the foot length (in cm) for someone who has a hand length of 18 cm.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
icon
Related questions
Question
4. Summary statistics for the data are shown in the table below.
Меan
Standard Deviation
Iland, x
17.682
1.168
Foot, y
23.318
1.230
Pearson correlation r
0.948
(a) Find the slope by using the formula
(b) Find the y-intercept by using the formula
a = y – br
(c) Find the regresssion equation, using the words "IHand" and "Foot," not r and y.
(d) Using the regression equation, predict the foot length (in em) for someone who has a hand length of
18 cm.
Transcribed Image Text:4. Summary statistics for the data are shown in the table below. Меan Standard Deviation Iland, x 17.682 1.168 Foot, y 23.318 1.230 Pearson correlation r 0.948 (a) Find the slope by using the formula (b) Find the y-intercept by using the formula a = y – br (c) Find the regresssion equation, using the words "IHand" and "Foot," not r and y. (d) Using the regression equation, predict the foot length (in em) for someone who has a hand length of 18 cm.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 4 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Functions and Change: A Modeling Approach to Coll…
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning