Periodically, Merrill Lynch customers are asked to evaluateMerrill Lynch financial consultants and services (2000 MerrillLynch Client Satisfaction Survey). Higher ratings on the clientsatisfaction survey indicate better services, with 7 the maximumservice rating. Independent samples of service ratings for twofinancial consultants are summarized here. Consultant A has 10years of experience, whereas consultant B has 1 year experience. Use α = 0.05 and test to see whether the consultant with moreexperience has the higher population mean service rating.
ConsultantA Consultant B
n1=16 n2 =10
x1 =6.82 (with bar overx) x2 = 6.25(with bar over x)
s1 =0.64 s2 = 0.75
a.) State the null and alternative hypothesis.
b.) compute the value of the test statistic.
c.)What is the p-value?
d.) What is your conclusion?