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? TT Banking Retail Insurance 12 8 10 10 10 6 6 Rectangular Snip 12 8 8 10 16 10 Click here for the Excel Data File 1. State the null hypothesis. но р1 u3 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 Treatments Error SS df MS F 4. State your decision regarding the null hypothesis. Decision: Но

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? TT Banking Retail Insurance 12 8 10 10 10 6 6 Rectangular Snip 12 8 8 10 16 10 Click here for the Excel Data File 1. State the null hypothesis. но р1 u3 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 Treatments Error SS df MS F 4. State your decision regarding the null hypothesis. Decision: Но

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MATLAB: An Introduction with Applications

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

Banking	Retail	Insurance
12	8	10
10	8	8
10	6	6
12	8	8
10	10	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?
TT
Banking
Retail
Insurance
12
8
10
10
10
6
6
Rectangular Snip
12
8
8
10
16
10
Click here for the Excel Data File
1. State the null hypothesis.
но р1
u3
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
Treatments
Error
SS
df
MS
F
4. State your decision regarding the null hypothesis.
Decision:
Но

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