BUAL 2650 GUPTA EXAM 2 ACTUAL 2025/2026
QUESTIONS AND 100% CORRECT ANSWERS
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Terms in this set (39)
In testing for the equality of means a. always
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
,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
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 c. 9
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
The ________ measures the strength of a. correlation coefficient
the 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 d. −1 and 1
assume any value between
a. 0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
QUESTIONS AND 100% CORRECT ANSWERS
Save
Terms in this set (39)
In testing for the equality of means a. always
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
,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
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 c. 9
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
The ________ measures the strength of a. correlation coefficient
the 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 d. −1 and 1
assume any value between
a. 0 and 1
b. −∞ and ∞
c. 0 and 8
d. −1 and 1
e. −1 and 0
