The manager of a computer software company wishes to study the number of hours per week senior executives by type of industry spend at their desktop computers. The manager selected a sample of five executives from each of three industries. At the 0.05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry? Banking Retail Insurance 12 16 Rectangular Snip 10 CO 10 6 6 12 8 10 10 10 Click here for the Excel Data File 1. State the null hypothesis. HO u1 u2 H1 Treatment means all the same. 2. What is the decision rule? (Round your answer to 2 decimal places.) F 0.05 Rectangular Snip 3. Complete the ANOVA table. (Round your SS, MS, and Fvalues to 2 decimal places.) Analysis of Variance Source SS df MS F Treatments Error 4. State your decision regarding the null hypothesis. Но Decision: 10

The manager of a computer software company wishes to study the number of hours per week senior executives by type of industry spend at their desktop computers. The manager selected a sample of five executives from each of three industries. At the 0.05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry? Banking Retail Insurance 12 16 Rectangular Snip 10 CO 10 6 6 12 8 10 10 10 Click here for the Excel Data File 1. State the null hypothesis. HO u1 u2 H1 Treatment means all the same. 2. What is the decision rule? (Round your answer to 2 decimal places.) F 0.05 Rectangular Snip 3. Complete the ANOVA table. (Round your SS, MS, and Fvalues to 2 decimal places.) Analysis of Variance Source SS df MS F Treatments Error 4. State your decision regarding the null hypothesis. Но Decision: 10

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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