O Ho: H1 - H2 = 0 Hgi H1- H2> 0 O Ho: H1 - H2 = 0 O Ho: H1 - 42 > 0 Hạ: H1 - H2 = 0 O Ho: H1 - H2 # 0 Hai H1 - Hz = 0 O Ho: H1 - 42 = 0 Hai H1- H2 = 0 ) Compute the value of the test statistic. (Round your answer to three decimal places.) 19.191 ) What is the p-value? (Round your answer to four decimal places.) p-value = 1

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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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 a = 0.05 and test to see whether the consultant with more experience has the higher population
mean service rating. Assume the population variances are unequal.
Consultant A
Consultant B
n1
= 16
n2
10
X1
= 6,81
X2 = 6.25
%3D
S1
= 0.68
S2
= 0.75
(a) State the null and alternative hypotheses.
O Hoi H1 - H2 = 0
Hai H1- Hz>0
O Ho: H1 - 42 = 0
Hại H1 - H2# 0
O Ho: H1 - H2 > 0
%3D
Ha: H1 - H2 = 0
O Ho: H1 - Hz # 0
Hai Hy - Hz = 0
Hoi H1 - H2 =
Hai H1- H2 = 0
(b) Compute the value of the test statistic. (Round your answer to three decimal places.)
19.191
(c) What is the p-value? (Round your answer to four decimal places.)
p-value
1
%3D
(d) What is your conclusion?
Transcribed Image Text: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 a = 0.05 and test to see whether the consultant with more experience has the higher population mean service rating. Assume the population variances are unequal. Consultant A Consultant B n1 = 16 n2 10 X1 = 6,81 X2 = 6.25 %3D S1 = 0.68 S2 = 0.75 (a) State the null and alternative hypotheses. O Hoi H1 - H2 = 0 Hai H1- Hz>0 O Ho: H1 - 42 = 0 Hại H1 - H2# 0 O Ho: H1 - H2 > 0 %3D Ha: H1 - H2 = 0 O Ho: H1 - Hz # 0 Hai Hy - Hz = 0 Hoi H1 - H2 = Hai H1- H2 = 0 (b) Compute the value of the test statistic. (Round your answer to three decimal places.) 19.191 (c) What is the p-value? (Round your answer to four decimal places.) p-value 1 %3D (d) What is your conclusion?
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