MyLab Statistics for Business Stats with Pearson eText -- Standalone Access Card -- for Statistics for Business and Economics
13th Edition
ISBN: 9780134748610
Author: James T. McClave, P. George Benson, Terry Sincich
Publisher: PEARSON
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Textbook Question
Chapter 9.5, Problem 9.66LM
The partially complete ANOVA table given next is for a two-factor factorial experiment.
- a. Give the number of levels for each factor.
- b. How many observations were collected for each factor-level combination?
- c. Complete the ANOVA table.
- d. Test to determine whether the treatment means differ. Use α = .10.
- e. Conduct the tests of factor interaction and main effects, each at the a = .10 level of significance. Which of the tests are warranted as part of the factorial analysis? Explain.
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I need help with this problem and an explanation of the solution for the image described below. (Statistics: Engineering Probabilities)
Sales personnel for Skillings Distributors submit weekly reports listing the customer contacts made during the week. A sample of 65 weekly reports showed a sample mean of 19.5 customer contacts per week. The sample standard deviation was 5.2. Provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel.
90% Confidence interval, to 2 decimals:
( , )
95% Confidence interval, to 2 decimals:
Chapter 9 Solutions
MyLab Statistics for Business Stats with Pearson eText -- Standalone Access Card -- for Statistics for Business and Economics
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