State your conclusion. O Do not reject Ho. There is sufficient evidence to conclude that , is significant. O Reject Ho. There is insufficient evidence to conclude that , is significant. O Reject Ho. There is sufficient evidence to conclude that , is significant. O Do not reject Ho. There is insufficient evidence to conclude that , is significant. (d) At a = 0.05, test for the significance of the coefficient of number of salespeople. State the null and alternative hypotheses. (Enter != for as needed.) Ho H₂: Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. There is sufficient evidence to conclude that B₂ is significant. O Do not reject Ho. There is insufficient evidence to conclude that ß₂ is significant. O Reject Ho. There is insufficient evidence to conclude that ß₂ is significant. O Do not reject Ho. There is sufficient evidence to conclude that ₂ is significant. (e) If the company uses $48,000 in advertisement and has 790 salespeople, what are the expected sales? Give your $
State your conclusion. O Do not reject Ho. There is sufficient evidence to conclude that , is significant. O Reject Ho. There is insufficient evidence to conclude that , is significant. O Reject Ho. There is sufficient evidence to conclude that , is significant. O Do not reject Ho. There is insufficient evidence to conclude that , is significant. (d) At a = 0.05, test for the significance of the coefficient of number of salespeople. State the null and alternative hypotheses. (Enter != for as needed.) Ho H₂: Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. There is sufficient evidence to conclude that B₂ is significant. O Do not reject Ho. There is insufficient evidence to conclude that ß₂ is significant. O Reject Ho. There is insufficient evidence to conclude that ß₂ is significant. O Do not reject Ho. There is sufficient evidence to conclude that ₂ is significant. (e) If the company uses $48,000 in advertisement and has 790 salespeople, what are the expected sales? Give your $
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:esc
State your conclusion.
1
O Do not reject Ho. There is sufficient evidence to conclude that is significant.
O Reject Ho. There is insufficient evidence to conclude that B₁ is significant.
O Reject Ho
There is sufficient evidence to conclude that is significant.
O Do not reject Ho. There is insufficient evidence to conclude that , is significant.
(d) At a = 0.05, test for the significance of the coefficient of number of salespeople.
State the null and alternative hypotheses. (Enter != for # as needed.)
Ho:
H₂:
f. 2
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to four decimal places.)
p-value
=
State your conclusion.
O Reject Ho. There is sufficient evidence to conclude that is significant.
O Do not reject Ho. There is insufficient evidence to conclude that B₂ is significant.
O Reject Ho. There is insufficient evidence to conclude that B₂ is significant.
O Do not reject Ho. There is sufficient evidence to conclude that B₂ is significant.
(e) If the company uses $48,000 in advertisement and has 790 salespeople, what are the expected sales? Give your answer in dollars.
Need Help? Read It
f2
f3
f4
FREER
f5
702
4-
♫+
fg
KAA
fg
DII
f10
f11
f12
insert
prt sc
2
delete
home
3
O
end
1:34
11/29/2
pc

Transcribed Image Text:esc
You may need to use the appropriate technology to answer this question.
The following is part of the results of a regression analysis involving sales (y in millions of dollars), advertising expenditures (x, in thousands of dollars), and number of salespeople (x₂) for a corporation. The regression
was performed on a sample of 10 observations.
f1
Constant
?
Ho
X1
H
x2
(a) Write the regression equation.
ŷ =
Coefficients
-11.320
0.788
0.151
12
(b) Interpret the coefficients of the estimated regression equation found in part (a). (Give your answers in dollars.)
As advertising increases by 1 unit ($1,000), sales are expected to increase by $
increase by $
when advertising is held constant.
Standard Error
(c) At a = 0.05, test for the significance of the coefficient of advertising.
State the null and alternative hypotheses. (Enter != for # as needed.)
20.452
0.302
0.218
Find the value of the test statistic. (Round your answer to two decimal places.)
Find the p-value. (Round your answer to four decimal places.)
p-value =
State your conclusion.
O Do not reject Ho. There is sufficient evidence to conclude that , is significant.
L
f5
f6
4-
f7
♫+
f8
IAA
fg
when the number of salespeople is held constant. As the number of salespeople increases by 1, sales are expected to
DII
hp
f10
DDI
f12
insert
prt sc
{
delete
home
end
1:34 PM
11/29/2022
pg up
4
pg dn
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman