Question
In: Statistics and Probability
Periodically, Merrill Lynch customers are asked to evaluateMerrill Lynch financial consultants and services (2000 MerrillLynch Client...
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 =0.7 s2 = 0.8 a.) State the null and alternative hypothesis. b.) compute the value of the test statistic.
Solutions
to test the hypothesis,we will use
t-test
orchestra answered 2 years agoRelated Solutions
Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services (2000 Merrill...
Periodically, Merrill Lynch customers are asked to evaluate
Merrill Lynch financial consultants and services (2000 Merrill
Lynch Client Satisfaction Survey). 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 = .05 and test to see whether the consultant with more
experience has the higher population...
Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services (2000 Merrill...
Periodically, Merrill Lynch customers are asked to evaluate
Merrill Lynch financial consultants and services (2000 Merrill
Lynch Client Satisfaction Survey). 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 = .05 and test to see whether the consultant with more
experience has the higher population...
1) Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial consultants and services on...
1)
Periodically, Merrill Lynch customers are asked to evaluate
Merrill Lynch financial consultants and services on a 7-point scale
(7 is the maximum). You are a manager with two consultants you are
trying to compare. Consultant A has 10 years of experience, whereas
consultant B has 1 year of experience. You want to test if the
consultant with less experience has a rating that is different than
the more experienced consultant. So, you collect independent
samples of service ratings for...
Check My Work (2 remaining) Periodically, Merrill Lynch customers are asked to evaluate Merrill Lynch financial...
Check My Work (2 remaining)
Periodically, Merrill Lynch customers are asked to evaluate
Merrill Lynch financial consultants and services (2000 Merrill
Lynch Client Satisfaction Survey). 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 = .05 and test to see whether the consultant with
more experience...
Periodically, customers of a financial services company are asked to evaluate the company's financial consultants and...
Periodically, customers of a financial services company are
asked to evaluate the company's 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 = 0.05
and test to see whether the consultant with more experience has
the higher population mean service...
Periodically, customers of a financial services company are asked to evaluate the company's financial consultants and...
Periodically, customers of a financial services company are
asked to evaluate the company's 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 = 0.05 and test to see whether the
consultant with more experience has the higher population mean
service...
Periodically, customers of a financial services company are asked to evaluate the company's financial consultants and...
Periodically, customers of a financial services company are
asked to evaluate the company's 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 = 0.05
and test to see whether the consultant with more experience has
the higher population mean service...
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