TEST BANK FOR STATISTICS FOR THE BEHAVIORAL SCIENCES 10TH EDITION FREDERICK J GRAVETTER, LARRY B. WALLNAU

1. What is the total number of scores for the distribution shown in the following table?
X f
4 3
3 5
2 4
1 2
a. 4
b. 10
c. 14
d. 37
ANSWER: c
TEST BANK FOR STATISTICS FOR THE REFERENCES: 2.1 Frequency Distributions and Frequency Distribution Tables
QUESTION TYPE: Multiple Choice
BEHAVIORAL SCIENCES 10TH EDITION KEYWORDS: Bloom’s: Understand


FREDERICK J GRAVETTER, LARRY B. 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
distribution table, how many X values will be listed in the first column of that table?
a. 8
WALLNAU b. 9
c. 11
d. 15
ANSWER: b
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
QUESTION TYPE: Multiple Choice
KEYWORDS: Bloom’s: Understand

3. For the following frequency distribution of quiz scores, how many individuals took the quiz?
X f
5 6
4 5
3 5
2 3
1 2
a. n = 5
b. n = 7
c. n = 15
d. n = 21
ANSWER: d
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
QUESTION TYPE: Multiple Choice
KEYWORDS: Bloom’s: Understand

4. For the following distribution of quiz scores, if a score of X = 3 or higher is needed for a passing grade, how many
individuals passed?
X f
5 6
4 5
3 5

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, 2 3 70-74 1
1 2 a. 2
a. 3 b. 3
b. 11 c. 7
c. 16 d. 8
d. 21 ANSWER: b
ANSWER: c REFERENCES: 2.2 Grouped Frequency Distribution Tables
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables QUESTION TYPE: Multiple Choice
QUESTION TYPE: Multiple Choice KEYWORDS: Bloom’s: Understand
KEYWORDS: Bloom’s: Understand
8. In a grouped frequency distribution one interval is listed as 50-59. Assuming that the scores are measuring a
5. For the following distribution of quiz scores, How many individuals had a score of X = 2? continuous variable, what are the real limits of this interval?
X f a. 50 and 59
5 6 b. 50.5 and 59.5
4 5
3 5 c. 49.5 and 59.5
2 3 d. 49.5 and 60.5
1 2 ANSWER: c
a. 1 REFERENCES: 2.2 Grouped Frequency Distribution Tables
b. 2 QUESTION TYPE: Multiple Choice
c. 3 KEYWORDS: Bloom’s: Understand
d. 5
ANSWER: c 9. For the following distribution, how many people had scores less than X = 20?
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables X f
20-25 2
QUESTION TYPE: Multiple Choice 15-19 5
KEYWORDS: Bloom’s: Understand 10-14 4
5-9 1
6. For the following frequency distribution of exam scores, what is the lowest possible reported score on the exam? a. 5
X f b. 10
90-94 3
85-89 4 c. 11
80-84 5 d. 12
75-79 2 ANSWER: b
70-74 1 REFERENCES: 2.2 Grouped Frequency Distribution Tables
a. x = 70 QUESTION TYPE: Multiple Choice
b. x = 74 KEYWORDS: Bloom’s: Understand
c. x = 90
d. x=94 10. For the following distribution, what is the highest possible score?
ANSWER: a X f
REFERENCES: 2.2 Grouped Frequency Distribution Tables 20-25 2
15-19 5
QUESTION TYPE: Multiple Choice 10-14 4
KEYWORDS: Bloom’s: Understand 5-9 1
a. 5
7. For the following frequency distribution of exam scores, how many students had scores lower than X = 80? b. 20
X f
90-94 3 c. 25
85-89 4 d. 26
80-84 5 ANSWER: c
75-79 2 REFERENCES: 2.2 Grouped Frequency Distribution Tables
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