What is the hypothesis, the P-Value, and T-stat in explaining terms?

An investor needs to make a decision on whether to acquire one of two medical clinics based on their productivity, as measured by the total number of visits per month. You have been asked whether there is a significant difference in the total number of visits per month between clinic 1 and clinic 2.

t-Test: Two-Sample Assuming Unequal Variances dinic1 clinic2 Me an 124.32 145.03 Variance 2188.54303 1582.514242 Observations 100 100 Hypothesized Mean Di 0 df 193 t Stat -3.372473414 P(T