4/15/25, 10:46
AM
BUAL 2650 GUPTA EXAM 2 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
In testing for the equality of means from a. always
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
A new company is in the process of d. PInternet − Pstore ≤ .10
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
b. PInternet − Pstore < .10
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore = .10
1/10
, 4/15/25, 10:46
AM
A new company is in the process of e. PInternet − Pstore > .10
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
If we are testing the hypothesis about c. 9
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
The______measures the strength of the a. correlation coefficient
linear relationship between the
dependent variable and the independent
variable.
a.correlation coefficient
b. distance value
c.Y-intercept
d. residual
The correlation coefficient may assume d. −1 and 1
any value between
a.0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
2/10
AM
BUAL 2650 GUPTA EXAM 2 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
In testing for the equality of means from a. always
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
A new company is in the process of d. PInternet − Pstore ≤ .10
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
b. PInternet − Pstore < .10
c. PInternet − Pstore ≥ .10
d. PInternet − Pstore ≤ .10
e. PInternet − Pstore = .10
1/10
, 4/15/25, 10:46
AM
A new company is in the process of e. PInternet − Pstore > .10
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
If we are testing the hypothesis about c. 9
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
The______measures the strength of the a. correlation coefficient
linear relationship between the
dependent variable and the independent
variable.
a.correlation coefficient
b. distance value
c.Y-intercept
d. residual
The correlation coefficient may assume d. −1 and 1
any value between
a.0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
2/10
