Test bank for statistics for the behavioral sciences 10th edition frederick j gravetter larry b. wallnau

TESTBANK
b

,1. What is the total number of scores for the distribution shown in the following table? X
b b b b b b b b b b b b b b b




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 b b b b b b




QUESTION TYPE: Multiple Choice b b




KEYWORDS: Bloom’s: Understand 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
b b b b b b b b b b b b b b b b b b b b b b b b b b b b b




distribution table, how many X values will be listed in the first column of that table?
b b b b b b b b b b b b b b b b




a. 8
b. 9
c. 11
d. 15
ANSWER: b
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
b b b b b b b




QUESTION TYPE: Multiple Choice b b




KEYWORDS: Bloom’s: Understand b




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




fb




5 6
4 5
3 5
2 3
1 2 b




a. n = 5 b b




b. n = 7 b b




c. n = 15 b b




d. n = 21 b b




ANSWER: d
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
b b b b b b b




QUESTION TYPE: Multiple Choice b b




KEYWORDS: Bloom’s: Understand b




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




individuals passed?
b b




X f b




5 6
4 5
3 5

, 2 3
1 2 b




a. 3
b. 11
c. 16
d. 21
ANSWER: c
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
b b b b b b b




QUESTION TYPE: b Multiple Choice
b




KEYWORDS: Bloom’s: Understand
b




5. For the following distribution of quiz scores, How many individuals had a score of X = 2? X
b b b b b b b b b b b b b b b b b




fb




5 6
4 5
3 5
2 3
1 2 b




a. 1
b. 2
c. 3
d. 5
ANSWER: c
REFERENCES: 2. 1 Frequency Distributions and Frequency Distribution Tables
b b b b b b b




QUESTION TYPE: Multiple Choice
b b




KEYWORDS: Bloom’s: Understand b




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




f b




90-94 3 b




85-89 4 b




80-84 5 b




75-79 2 b




70-74 1 b




a. x = 70 b b




b. x = 74 b b




c. x = 90 b b




d. x=94
ANSWER: a
REFERENCES: 2.2 Grouped Frequency Distribution Tables
b b b b




QUESTION TYPE: Multiple Choice
b b




KEYWORDS: Bloom’s: Understand b




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




f b




90-94 3 b




85-89 4 b




80-84 5 b




75-79 2 b