To compare customer satisfaction levels of two competing internet service provider companies, 174customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to ratetheir internet service provider companies on a five-point scale, with 1 being least satisfied and 5 mostsatisfied. The survey results are summarized in the following table: Company 1 Company 2 n1 = 174 n2 = 355 Xi = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence toconclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternativehypothesis, Test statistic, Critical value, Decision with reason, Interpretation 4.2 Calculate the corresponding p-value 4.3 Interpret the p-value (not a generalized definition from text book)
To compare customer satisfaction levels of two competing internet service provider companies, 174customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to ratetheir internet service provider companies on a five-point scale, with 1 being least satisfied and 5 mostsatisfied. The survey results are summarized in the following table: Company 1 Company 2 n1 = 174 n2 = 355 Xi = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence toconclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternativehypothesis, Test statistic, Critical value, Decision with reason, Interpretation 4.2 Calculate the corresponding p-value 4.3 Interpret the p-value (not a generalized definition from text book)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt