b. Using a = 0.10, determine if the slope for the regression equation is statistically significant. Determine the null and alternative hypotheses. Họ:B = 0 H,:B * 0 The test statistic is t=D: (Round to two decimal places as needed.)

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter7: Integration
Section7.CR: Chapter 7 Review
Problem 88CR
icon
Related questions
Question

Suppose an Internet retailer would like to investigate the linear relationship between the amount of time in minutes a purchaser spends on its Web site and the amount of money he or she spends on an order. The table to the right shows the data from a random sample of

 
Time
Order Size
Time
Order Size
$71
$27
$98
$199
$49
$36
$56
$365
$132
$156
$70
$247
19
6.
11
38
Suppose an Internet retailer would like to investigate the linear relationship between the amount of time in minutes a purchaser spends on its Web site and the amount of money he or she spends
on an order. The table to the right shows the data from a random sample of 12 customers. Complete parts a through c.
28
21
38
22
14
11
.... .
a. Construct a scatter plot for these data using technology.
Choose the correct scatter plot below.
O A.
O B.
C.
OD.
400-
400-
400-
400-
o 00
loo
0-
40
40
40
40
Time
Time
Time
Time
b. Using a = 0.10, determine if the slope for the regression equation is statistically significant.
Determine the null and alternative hypotheses.
Ho: B = 0
%3D
H1:B # 0
The test statistic is t=
(Round to two decimal places as needed.)
Transcribed Image Text:Time Order Size Time Order Size $71 $27 $98 $199 $49 $36 $56 $365 $132 $156 $70 $247 19 6. 11 38 Suppose an Internet retailer would like to investigate the linear relationship between the amount of time in minutes a purchaser spends on its Web site and the amount of money he or she spends on an order. The table to the right shows the data from a random sample of 12 customers. Complete parts a through c. 28 21 38 22 14 11 .... . a. Construct a scatter plot for these data using technology. Choose the correct scatter plot below. O A. O B. C. OD. 400- 400- 400- 400- o 00 loo 0- 40 40 40 40 Time Time Time Time b. Using a = 0.10, determine if the slope for the regression equation is statistically significant. Determine the null and alternative hypotheses. Ho: B = 0 %3D H1:B # 0 The test statistic is t= (Round to two decimal places as needed.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt