 # Create and conduct a survey in your class. Organize the results in a two-way table. Then create a two-way table that shows the joint and marginal frequencies. CoormaBak9 2021-01-08 Answered
Create and conduct a survey in your class. Organize the results in a two-way table. Then create a two-way table that shows the joint and marginal frequencies.
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Possible solution:
A survey could be asking the girls and boys in your class do you own a pet. For a class of 40 students, the results could then be:
$\begin{array}{cccc}& Boy& Girl& Total\\ Yes& 5& 10& 15\\ No& 14& 11& 25\\ Total& 19& 21& 40\end{array}$
Dividing each cell of the table by 40 will then give the marginal and joint frequencies:
$\begin{array}{cccc}& Boy& Girl& Total\\ Yes& 0.125& 0.25& 0.375\\ No& 0.35& 0.275& 0.625\\ Total& 0.475& 0.525& 1\end{array}$