Mathematics, 27.11.2019 02:31 choudharykaran7997
Periodically, merrill lynch customers are asked to evaluate merrill lynch financial consultants
and services. higher ratings on the client satisfaction survey indicate better service,
with 7 the maximum service rating. independent samples of service ratings for two
financial consultants are summarized here. consultant a has 10 years of experience,
whereas consultant b has 1 year of experience. use α= .05 and test to see whether the
consultant with more experience has the higher population mean service rating.
consultant an1=16x¯¯¯1=6.82s1=.64 consultant bn2=10x¯¯¯2=6.25s2=.75
a. state the null and alternative hypotheses.
b. compute the value of the test statistic.
c. what is the p-value?
d. what is your conclusion?
Answers: 2
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Periodically, merrill lynch customers are asked to evaluate merrill lynch financial consultants
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