We're trying to show that the true proportion of oak tree seeds that germinate is less than that of elm tree seed. What type of test should we use?

A. Two Sample z-test

B. Two Sample t-test

C. Single Sample z-test

D. ANOVA

We're trying to show that the true average height of a Nebraska corn stalk is greater than that of an Iowa corn stalk. What type of test should we use?

A. Two Sample t-test

B. Two Sample z-tesT

C. ANOVA

D. Chi-squared Test

We want to show that there is a state effect on corn yield. We collected data from 5 states, and measured corn yield in pounds/acre. What type of test should we use?

A.Multi-Sample t-test

B. Correlation test

C. ANOVA

D. Chi Square test for dependence