Question 30 2.5 points Save Answer A research team collected sample data from a customer population pool to assess the level of loyalty for the client firm's service. The team collected data also from a customer pool of another company that competes with the client firm. The research team needs to compare the two groups of the surveyed respondents to conclude which of the two companies does serve their customers better (with a higher loyalty score). The team used the rating scale to measure the level of loyalty. To compare the means of the two groups statistically, which data analytic methods of the followings is most appropriate? O A. correlation O B. t-test O C. Chi-square O D. Analysis of Variance (ANOVA)