A researcher wants to be sure that her random assignment to groups has been working. She wants to be sure that socio-economic status and treatment group are independent. Ideally, given her particular sample, there would be an equal number of people in each category. Calculate the marginal totals and the expected frequencies for each cell.

Question

A researcher wants to be sure that her random assignment to groups has been working. She wants to be sure that socio-economic status and treatment group are independent. Ideally, given her particular sample, there would be an equal number of people in each category. Calculate the marginal totals and the expected frequencies for each cell.
A researcher wants to be sure that her random assignment to groups has been working. She wants to be sure that socio-economic status and treatment group are independent. Ideally, given her particular sample, there would be an equal number of people in each category. Calculate the marginal totals and the expected frequencies for each cell.

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The Answer of A researcher wants to be sure that her random assignment to groups has been working. She wants to be sure that socio-economic status and treatment group are independent. Ideally, given her particular sample, there would be an equal number of people in each category. Calculate the marginal totals and the expected frequencies for each cell.

A Researcher Wants to Be Sure That Her Random Assignment