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Name: ________________________
February 23, 2011
Person Number: ___________________
1
ReviewQuiz2_Chapter5~7
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1.
For a population with
μ
= 80 and
σ
= 12, what is the zscore corresponding to
X =
92?
a.
+1.00
b.
+0.50
c.
+12.00
d.
+1.20
2.
In a population of scores with
= 20, a score of X = 80 corresponds to z = +0.25. What is the population mean?
a.
70
b.
75
c.
90
d.
85
3.
A population with
μ
= 85 and
= 12 is transformed into zscores. After the transformation, what are the values for
the mean and standard deviation for the population of zscores?
a.
μ
= 85 and
= 1
b.
μ
= 85 and
= 12
c.
μ
= 0 and
= 1
d.
μ
= 0 and
= 12
4.
What proportion of a normal distribution is located between z = 1.00 and z = 1.50?
a.
0.0919
b.
0.5000
c.
0.2255
d.
0.7745
5.
What is the probability of randomly selecting a zscore greater than
z =
 0.80 from a normal distribution?
a.
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This note was uploaded on 04/20/2011 for the course PSY 207 taught by Professor Pfordesher during the Spring '07 term at SUNY Buffalo.
 Spring '07
 Pfordesher

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