The students running the sprouts experiment (Exercise 12) also kept track of the number of beans sprouted (out of 40) for each of the 36 dishes. Here are the partial box plots of Sprouts plotted against Salinity and Temperature:

An ANOVA table show:

An interaction plot shows;

A plot of residuals vs. predicted values shows;

a) State the hypotheses about the factors (both numerically and in words).
b) Perform the hypothesis tests and state your conclusions. Be sure to check conditions.