Test Bank for Statistics for the Behavioral Sciences, 10th Edition by Frederick J. Gravetter & Larry B. Wallnau – Complete Questions and Answers

TESTBANK
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,1. What is the total number of scores for the distribution shown in the following table? X
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f
4 3
3 5
2 4
1 2
a. 4
b. 10
c. 14
d. 37
ANSWER: c
REFERENCES: 2.1 Frequency Distributions and Frequency Distribution Tables
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QUESTION TYPE: Multiple Choice w w




KEYWORDS: Bloom’s: Understand w




2. A sample of n = 15 scores ranges from a high of X = 11 to a low of X = 3. If these scores are placed in a frequency
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distribution table, how many X values will be listed in the first column of that table?
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a. 8
b. 9
c. 11
d. 15
ANSWER: b
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
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QUESTION TYPE: Multiple Choice w w




KEYWORDS: Bloom’s: Understand w




3. For the following frequency distribution of quiz scores, how many individuals took the quiz? X
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fw




5 6
4 5
3 5
2 3
1 2 w




a. n = 5 w w




b. n = 7 w w




c. n = 15 w w




d. n = 21 w w




ANSWER: d
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
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QUESTION TYPE: Multiple Choice w w




KEYWORDS: Bloom’s: Understand w




4. For the following distribution of quiz scores, if a score of X = 3 or higher is needed for a passing grade, how many
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individuals passed?
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X f w




5 6
4 5
3 5

, 2 3
1 2 w




a. 3
b. 11
c. 16
d. 21
ANSWER: c
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
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QUESTION TYPE: w Multiple Choice
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KEYWORDS: Bloom’s: Understand
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5. For the following distribution of quiz scores, How many individuals had a score of X = 2? X
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fw




5 6
4 5
3 5
2 3
1 2 w




a. 1
b. 2
c. 3
d. 5
ANSWER: c
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
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QUESTION TYPE: Multiple Choice
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KEYWORDS: Bloom’s: Understand w




6. For the following frequency distribution of exam scores, what is the lowest possible reported score on the exam? X
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f w




90-94 3 w




85-89 4 w




80-84 5 w




75-79 2 w




70-74 1 w




a. x = 70 w w




b. x = 74 w w




c. x = 90 w w




d. x=94
ANSWER: a
REFERENCES: 2.2 Grouped Frequency Distribution Tables
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QUESTION TYPE: Multiple Choice
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KEYWORDS: Bloom’s: Understand w




7. For the following frequency distribution of exam scores, how many students had scores lower than X = 80? X
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f w




90-94 3 w




85-89 4 w




80-84 5 w




75-79 2 w