Histograms Worksheet With Answers Page 2

3. You conduct a survey asking students how many CDs they own. The results are shown

in the histogram below. Based on this histogram, which of the following statements is

true?

a) The number of students owning 2 CDs must be greater than the number of students

owning 10 CDs

b) The number of students owning 10 CDs must be greater than the number of students

owning 2 CDs

c) More than half of the students surveyed own 1 to 4 CDs.

d) None of the above are true.

4. If the size of a histogram's intervals is decreased, and its scale remains the same,

which of the following statements will be true?

a) The height of the bars will decrease.

b) The total number of bars will decrease.

c) The width of the bars will increase.

d) Each bar will represent more data items than before.

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