A real estate agent believes that the mean home price in the northern part of a county is higher than the mean 2 price in the southern part of the county and would like to test the claim. A simple random sample of housing prices is taken from each region. The results are shown below. Southern Northern Mean 154.889 167.833 Variance 354.458 521 912 Observations 18 18 Pooled Variance 438.185 Hypothesized Mean Difference 0 df 34 t Stat 1.885 P = Ex: 1.234 P(T