Inference recap (8.1 to 11.2) In each of the following settings, state which inference procedure from Chapter 8, 9, 10, or 11 you would use. Be specific.

For example, you might say “two-sample z test for the difference between two proportions.” You do not need to carry out any procedures.29

(a) What is the average voter turnout during an election?

A random sample of 38 cities was asked to report the percent of registered voters who actually voted in the most recent election.

(b) Are blondes more likely to have a boyfriend than the rest of the single world? Independent random samples of 300 blondes and 300 nonblondes were asked whether they have a boyfriend.