Question: Test whether there is a difference between two groups in the proportion who voted, if 45 out of a random sample of 70 in Group

Test whether there is a difference between two groups in the proportion who voted, if 45 out of a random sample of 70 in Group 1 voted and 56 out of a random sample of 100 in Group 2 voted.

(a) Find the relevant sample proportions in each group and the pooled proportion.
(b) Complete the hypothesis test using the normal distribution and show all details.

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a For Group 1 the proportion who voted is p 1 4570 0643 For Group 2 the proportion who voted is p 2 ... View full answer

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