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 10 Rectangular Snip 10 8 10 6 12 8 8 10 10 10 Click here for the Excel Data File 1. State the null hypothesis. HO 1 u3 H1 Treatment means all the same. 2. What is the decision rule? (Round your answer to 2 decimal places.) F 0.05> Recta 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. Decision: Но

Question
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
10
Rectangular Snip
10
8
10
6
12
8
8
10
10
10
Click here for the Excel Data File
1. State the null hypothesis.
HO 1
u3
H1 Treatment means
all the same.

Image Transcription

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 10 Rectangular Snip 10 8 10 6 12 8 8 10 10 10 Click here for the Excel Data File 1. State the null hypothesis. HO 1 u3 H1 Treatment means all the same.

2. What is the decision rule? (Round your answer to 2 decimal places.)
F 0.05>
Recta
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.
Decision:
Но

Image Transcription

2. What is the decision rule? (Round your answer to 2 decimal places.) F 0.05> Recta 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. Decision: Но

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Hypothesis Testing

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