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A detective collects carpet fibers from a suspect’s home. The fibers are a:

One example of evidence that would make a fire investigator suspect that a fire was actually arson is:

Before an investigator collects additional samples of a reddish liquid at a crime scene, he or she will check the substance using a:

Which type of chart is best suited for representing proportions or percentages of categories?

What is the main advantage of using a clustered bar chart?

Which of the following is an advantage of using the median over the mean?

The Normal distribution has which of the following characteristics?

When would a stacked bar chart be preferred over a clustered bar chart?

In a grouped frequency table, what is the primary reason for grouping data?

What does a cross-tabulation (contingency) table show?