1. The mean monthly salary of a random sample of 36 faculty members of Philippine Western University is P10,000 with a standard deviation of P1,000, while the mean monthly salary of a random sample of...

Extracted text: 1. The mean monthly salary of a random sample of 36 faculty members of Philippine Western University is P10,000 with a standard deviation of P1,000, while the mean monthly salary of a random sample of 35 faculty members of Central Luzon University is P10,500 with a standard deviation of P1,200. Is there a significant difference in the mean salaries received by the teachers of the two schools? Use an a = 0.01 a. Use the traditional method and the b. P-Value method c. Construct a 99% confidence interval for the difference in u1 - u2.