# Use the two-way table of data from another student survey to answer the following question.

Use the two-way table of data from another student survey to answer the following question.

$$\begin{array}{|c|cc|c|} \hline &Like\ Aerobic&Exercise\\ \hline Like\ Weight\ Lifting&Yes&No&Total\\ \hline Yes & 7&14&21 \\ \hline No& 12&7&19\\ \hline Total&19&21&40\\ \hline \end{array}$$
What is the marginal relative frequency of students surveyed who like weight lifting?

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Anonym
There are 21 students who like weight lifting but do not aerobics and there are 40 students who do not like aerobics so the conditional relative frequency is 21/40=52.5%