Samples of the members of five different labor unions were asked whether they are for or against a certain piece of legislation:
Union 1 Union 2 Union 3 Union 4 Union 5 Total
For 74 81 69 75 91
Against 26 19 31 25 9
Use the 1% level of significance to test the null hypothesis that the corresponding true proportions are all equal
Find the matrix of expected values:
What test is appropriate for this problem?
State the null and alternate hypotheses
Find the test statistic
How many degrees of freedom will you use?
Find the critical value
Estimate the p-value
What is your conclusion?