Research Methods and Statistics A Critical Thinking Approach 5th Edition – Test Bank

Multiple Choice

1. A table in which all of the scores are listed along with the frequency with which each occurs is a _____.​

  a.  ​bar graph

  b.  ​histogram

  c.  ​frequency polygon

  d.  ​frequency distribution

ANSWER:   d

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

2. A table in which the scores are grouped into intervals and listed along with the frequency of scores in each interval is a _____.​

  a.  ​bar graph

  b.  ​histogram

  c.  ​class interval frequency distribution

  d.  ​class interval frequency polygon

ANSWER:   c

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

3. A categorical variable for which each value represents a discrete category is a _____ variable.​

  a.  ​qualitative

  b.  ​quantitative

  c.  ​continuous

  d.  ​class interval

ANSWER:   a

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

4. ​A variable for which the scores represent a change in quantity is a _____ variable.

  a.  ​qualitative

  b.  ​quantitative

  c.  ​class interval

  d.  ​nominal

ANSWER:   b

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

5. A graphical representation of a frequency distribution in which vertical bars are centered above each category along the x-axis and are separated from each other by a space is a _____.​

  a.  ​histogram

  b.  ​bar graph

  c.  ​pie graph

  d.  ​frequency polygon

ANSWER:   b

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

6. ​A graphical representation of a frequency distribution in which vertical bars centered above scores on the x-axis touch each other is a _____.

  a.  ​histogram

  b.  ​bar graph

  c.  ​pie graph

  d.  ​frequency polygon

ANSWER:   a

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

7. A line graph of the frequencies of individual scores is a _____.​

  a.  ​histogram

  b.  ​frequency distribution

  c.  ​frequency polygon

  d.  ​bar graph

ANSWER:   c

KEYWORDS:   ORGANIZING DATA—UNDERSTAND

8. _____ is to organizing data using a table as _____ is to organizing data using a figure.​

  a.  ​Histogram; bar graph

  b.  ​Frequency polygon; bar graph

  c.  ​Frequency distribution; histogram

  d.  ​Frequency polygon; frequency distribution

ANSWER:   c

KEYWORDS:   ORGANIZING DATA—THINK CRITICALLY

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