(Answered) Using a telephone survey of 400 randomly selected

Engineering

Using a telephone survey of 400 randomly selected registered voters, he solicits both their party identification and whether or not they had read the newspaper that day. The results are displayed in the following cross-tabulation:

registered yes no total

democrat 64, 96, 160

Republican 49, 91, 140

independent 31, 69, 100

a. Which is the independent variable, and which is the dependent variable?

b. Calculate and interpret the appropriate (and only the appropriate) percentages for the cross-tabulation.

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