A researcher selects a variety of different cities and towns through the United States and measure the number of churches and the number of serious crimes for each. They are interested in the relationship between number of churches and overall crime.

What statistical test will you use?

Correlation

Independent samples t-test

Repeated measures t-test

z-test

One-sample t-test

Regression

One-way ANOVA

Then, answer why you picked the test you did?