The following table reports row-relative frequencies of the data from a survey o

Question

The following table reports row-relative frequencies of the data from a survey on the ownership of iPods among families with different levels of income.

These frequencies are reported in the cluster bar charts below.

Which one of the following is FALSE?

Select one:

a. The variation in the relative heights for the Yes and No bars for the 3 income groups clearly shows that iPad ownership varies from one income group to another.

b. If two categorical variables are unrelated, the pattern exhibited in the bar charts should approximately be the same.

c. The clustered bar chart shows that there is a relationship between iPad ownership and income group.

d. It is not possible to determine whether ipad ownership and income groups are related in this case as the Yes and No bars for the 3 income groups are completely different from each other.

Explanation / Answer

It is not possible to determine whether ipad ownership and income groups are related in this case as the Yes and No bars for the 3 income groups are completely different from each other.

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