A Political Pollster Randomly Selects a Sample of 100 Voters

Multiple Choice

A political pollster randomly selects a sample of 100 voters each day for 8 successive days and asks how many will vote for the incumbent. The pollster wishes to see if the percentage favoring the incumbent candidate is too erratic. Which of the following would be the most appropriate analysis to perform?

A) multiple linear regression
B) exponential smoothing
C) construct a p-chart
D) perform a Levene's test