Please helppp

A market research firm used a sample of individuals to rate the purchase potential of a particular product before and after the individuals saw a new, expensive television commercial about the product. The purchase potential ratings were based on a 0 to 10 scale, with higher values indicating more potential to purchase the product. You want to know if the commercial increased the mean purchase potential rating. You use a random sample of 50 people. Which is the most appropriate test? Two proportion t-test Two mean independent samples z-test Two mean mathced pairs t-test Two mean independent samples t-test Chi-Square indpendence Two proportion z-test One proportion t-test Multiple linear regression test One mean z-test Two mean matched pairs z-test One proportion z-test ANOVA F-test Chi-Square goodness of fit ANOVA T-test Simple linear regression test One mean t-test Check Answer @ N 3 A 6 8 Q W E R T Y U tab A S D G H C caps lock