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BUAL 2650 Gupta Exam 2 (2025)
comprehensive questions and verified
detailed solutions (MULTIPLE CHOICES)
|complete solutions |A+ GRADED |100%
CORRECT!! Questions and Correct
Answers/ Latest Update / Already Graded
In testing for the equality of means from two independent
populations, if the hypothesis of equal population means is rejected at
α = .01, it will ________ be rejected at α = .05
a. always
b. sometimes
c. never
Ans: a. always
A new company is in the process of evaluating its customer service.
The company offers two types of sales: (1) Internet sales and (2) store
sales. The marketing research manager believes that the Internet sales
are more than 10 percent higher than store sales. The null hypothesis
would be
a. PInternet − Pstore > .10
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b. PInternet − Pstore < .10
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore = .10
Ans: d. PInternet − Pstore ≤ .10
A new company is in the process of evaluating its customer service.
The company offers two types of sales: (1) Internet sales and (2) store
sales. The marketing research manager believes that the Internet sales
are more than 10 percent higher than store sales. The alternative
hypothesis would be stated as
a. PInternet − Pstore > 0
b. PInternet − Pstore < 0
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore > .10
Ans: e. PInternet − Pstore > .10
All rights reserved © 2025/ 2026 |
, Page |3
If we are testing the hypothesis about the mean of a population of
paired differences with samples of n1 = 10, n2 = 10, the degrees of
freedom for the t statistic is ________.
a. 19
b. 18
c. 9
d. 8
e. 10
Ans: c. 9
The ________ measures the strength of the linear relationship between
the dependent variable and the independent variable.
a. correlation coefficient
b. distance value
c. Y-intercept
d. residual
Ans: a. correlation coefficient
All rights reserved © 2025/ 2026 |
BUAL 2650 Gupta Exam 2 (2025)
comprehensive questions and verified
detailed solutions (MULTIPLE CHOICES)
|complete solutions |A+ GRADED |100%
CORRECT!! Questions and Correct
Answers/ Latest Update / Already Graded
In testing for the equality of means from two independent
populations, if the hypothesis of equal population means is rejected at
α = .01, it will ________ be rejected at α = .05
a. always
b. sometimes
c. never
Ans: a. always
A new company is in the process of evaluating its customer service.
The company offers two types of sales: (1) Internet sales and (2) store
sales. The marketing research manager believes that the Internet sales
are more than 10 percent higher than store sales. The null hypothesis
would be
a. PInternet − Pstore > .10
All rights reserved © 2025/ 2026 |
, Page |2
b. PInternet − Pstore < .10
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore = .10
Ans: d. PInternet − Pstore ≤ .10
A new company is in the process of evaluating its customer service.
The company offers two types of sales: (1) Internet sales and (2) store
sales. The marketing research manager believes that the Internet sales
are more than 10 percent higher than store sales. The alternative
hypothesis would be stated as
a. PInternet − Pstore > 0
b. PInternet − Pstore < 0
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore > .10
Ans: e. PInternet − Pstore > .10
All rights reserved © 2025/ 2026 |
, Page |3
If we are testing the hypothesis about the mean of a population of
paired differences with samples of n1 = 10, n2 = 10, the degrees of
freedom for the t statistic is ________.
a. 19
b. 18
c. 9
d. 8
e. 10
Ans: c. 9
The ________ measures the strength of the linear relationship between
the dependent variable and the independent variable.
a. correlation coefficient
b. distance value
c. Y-intercept
d. residual
Ans: a. correlation coefficient
All rights reserved © 2025/ 2026 |
