MGMT 305 SECOND EXAM (Sample Exam)
Date: March 10, 2010
Part I MultipleChoice Questions:
Identify the letter of the choice that
best
completes the statement or answers the question. There are 20 multiplechoice
questions. 2 points for each question.
____
1.
Suppose we have a lowertailed test
H
0
: µ >
µ
0
and
Ha: µ < µ
0
. If we reject H
0
at 5% level of significance,
which one is the value of the z test statistic?
a.
1.4
b.
2.5
c.
1.4
d.
2.5
____
2.
Which of the following is true
about the pvalue?
____
3.
Suppose the mean sales volume of an automobile dealership is 15 automobile per month. If the manager of
the dealership wants to conduct a research study to see whether a new bonus plan increases the sales volume,
then which of the following are the right hypotheses?
____
4.
It is known that the mean of a population is 58. A sample of size 50 is taken and the sample mean is computed
as 55. You decided to reject the null hypothesis that
μ
≥
60.
____
5.
If the null hypothesis is not
rejected at the 2% level of significance, it
a.
will always be rejected at the 1.5% level of significance.
b.
will never be rejected at the 3% level of significance.
c.
may be rejected or not rejected at the 1.5% level of significance.
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d.
will never be rejected at the 1.5% level of significance.
____
6.
Two independent simple random samples are selected to test the difference between the means of two
populations whose standard deviations are not known.
The sample sizes are n
1
= 20 and n
2
= 40.
The correct
distribution to use is the
____
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 Spring '08
 Priya
 Normal Distribution, Null hypothesis, Statistical hypothesis testing, a. b. c.

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