n a certain voting district, the proportions of voters who registered as members of a specific party are as follows: Republican - 48%, Democrat - 43%, Independent - 9%. In the most recent Presidential election, a random sample of 400 surveyed as they left the polling place said that they voted for the following Presidential candidates:
Republican = 197
Democrat = 153
Independent = 50
A) List the expected counts for each Presidential party.
B) Identify the chi-square test statistic.
C) Identify the conditions and discuss whether they are met to run this test.
D) Does the data provide evidence that voters in this election did not vote according to their registered affiliation?
