BUAL 2650 Gupta Exam 2 Questions and Answers

BUAL 2650 Gupta Exam 2 Questions and Answers

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CH 11 Quiz 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
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

,CH 11 Quiz a. 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 for
this problem would be
stated as


a. PInternet − Pstore > .10
b. PInternet − Pstore > 0
c. PInternet − Pstore ≤ .10
d. PInternet − Pstore < 0
e. PInternet − Pstore ≥ .10

, CH 11 Quiz a. 18


If we are testing the
difference between the
means of two normally
distributed independent
populations with samples
of n1= 10, n2 = 10, the
degrees of freedom for
the t statistic is ________.


a. 18
b. 9
c. 19
d. 8
e. 20

CH 11 Quiz e. t statistic


In testing the difference
between the means of two
normally distributed
populations using
independent random
samples with equal
variances, the correct test
statistic to use is the


a. None of the other
choices is correct
b. F statistic
c. chi-square statistic
d. z statistic
e. t statistic