QMB 3200 FINAL EXAM REVISION
QUESTIONS AND ANSWERS
The results of a recent poll on the preference of shoppers
regarding two products are shown below.
Product; Shoppers Surveyed; Shoppers Favoring
A; 800; 560
B; 900; 612
Refer to Exhibit 11-6. The 95% confidence interval estimate for
the difference between the populations favoring the products
is
a. 0.6 to 0.7
b. -0.024 to 0.064
c. 0.02 to 0.3
d. 0.024 to 0.7
b. -0.024 to 0.064
When individuals in a sample of 150 were asked whether or
not they supported capital punishment, the following
information was obtained.
Do You Support Capital Punishment?; Number of Individuals
Yes; 40
,No; 60
No Opinion; 50
We are interested in determining whether or not the opinions
of the individuals (as to Yes, No, and No Opinion) are
uniformly distributed.
Refer to Exhibit 11-1. The calculated value for the test statistic
equals
a. 20
b. 4
c. -2
d. 2
b. 4
When individuals in a sample of 150 were asked whether or
not they supported capital punishment, the following
information was obtained.
Do You Support Capital Punishment?; Number of Individuals
Yes; 40
No; 60
No Opinion; 50
We are interested in determining whether or not the opinions
of the individuals (as to Yes, No, and No Opinion) are
, uniformly distributed.
Refer to Exhibit 11-1. The conclusion of the test is that the
a. distribution is uniform
b. distribution is not uniform
c. test is inconclusive
d. None of these alternatives is correct.
a. distribution is uniform
The chi-square test for independence involves
a. two categorical variables
b. two quantitative variables
c. three or more categorical variables
d. three or more quantitative variables
a. two categorical variables
The results of a recent poll on the preference of shoppers
regarding two products are shown below.
Product; Shoppers Surveyed; Shoppers Favoring
A; 800; 560
B; 900; 612
Refer to Exhibit 11-6. The point estimate for the difference
between the two population proportions in favor of this
product is
QUESTIONS AND ANSWERS
The results of a recent poll on the preference of shoppers
regarding two products are shown below.
Product; Shoppers Surveyed; Shoppers Favoring
A; 800; 560
B; 900; 612
Refer to Exhibit 11-6. The 95% confidence interval estimate for
the difference between the populations favoring the products
is
a. 0.6 to 0.7
b. -0.024 to 0.064
c. 0.02 to 0.3
d. 0.024 to 0.7
b. -0.024 to 0.064
When individuals in a sample of 150 were asked whether or
not they supported capital punishment, the following
information was obtained.
Do You Support Capital Punishment?; Number of Individuals
Yes; 40
,No; 60
No Opinion; 50
We are interested in determining whether or not the opinions
of the individuals (as to Yes, No, and No Opinion) are
uniformly distributed.
Refer to Exhibit 11-1. The calculated value for the test statistic
equals
a. 20
b. 4
c. -2
d. 2
b. 4
When individuals in a sample of 150 were asked whether or
not they supported capital punishment, the following
information was obtained.
Do You Support Capital Punishment?; Number of Individuals
Yes; 40
No; 60
No Opinion; 50
We are interested in determining whether or not the opinions
of the individuals (as to Yes, No, and No Opinion) are
, uniformly distributed.
Refer to Exhibit 11-1. The conclusion of the test is that the
a. distribution is uniform
b. distribution is not uniform
c. test is inconclusive
d. None of these alternatives is correct.
a. distribution is uniform
The chi-square test for independence involves
a. two categorical variables
b. two quantitative variables
c. three or more categorical variables
d. three or more quantitative variables
a. two categorical variables
The results of a recent poll on the preference of shoppers
regarding two products are shown below.
Product; Shoppers Surveyed; Shoppers Favoring
A; 800; 560
B; 900; 612
Refer to Exhibit 11-6. The point estimate for the difference
between the two population proportions in favor of this
product is
