n Mean Median Std Dev S.E. Mean 5 -3.66 -5.3 3.08 1.378

If we the use the above Mean as an estimate, what is it estimating?

Based on the descriptive statistics given above, what evidence is there that rates of tick infestation in State A are on average less than those in State B? You should use a 5% significance level and assume that population differences are normally distributed.