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 a = .05 and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A Consultant B П1 По- = 16 = 10 = 6.82 6.25 х1 S1 = 0.7 = 0,8 a. State the null and alternative hypotheses Но: И1 - 12| Select Ha: 1 2Select b. Compute the value of the test statistic (to 2 decimals) c. What is the p-value? Use z-table. The p-value is Select d. What is your conclusion? Select

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 a = .05 and test to see whether the consultant with more experience has the higher population mean service rating. Consultant A Consultant B П1 По- = 16 = 10 = 6.82 6.25 х1 S1 = 0.7 = 0,8 a. State the null and alternative hypotheses Но: И1 - 12| Select Ha: 1 2Select b. Compute the value of the test statistic (to 2 decimals) c. What is the p-value? Use z-table. The p-value is Select d. What is your conclusion? Select

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 11PPS

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