The data in the table below presents the hourly quantity of production for three lines of production processes over the first 4 days in XYZ Company. Answer the questions based on the Excel Output given below. Day Process 1 Process 2 Process 3 1 33 33 28 2 30 35 36 3 28 30 30 4 29 38 34 ANOVA: Single Factor SUMMARY Groups Count Sum Average Variance Process 1 4 120 30 4.66667 Process 2 4 136 34 11.3333 Process 3 4 128 32 13.3333 ANOV Source of Variation SS df MS F P value Between Groups 32 ? ? ? Within Groups 88 ? ? Total 120 11 a. State the null and alternative hypothesis for single factor ANOVA. b. State the decision rule (α = 0.05). c. Calculate the test statistic. d. Make a decision.
The data in the table below presents the hourly quantity of production for three lines of production
processes over the first 4 days in XYZ Company. Answer the questions based on the Excel Output given
below.
Day Process 1 Process 2 Process 3
1 33 33 28
2 30 35 36
3 28 30 30
4 29 38 34
ANOVA: Single Factor
SUMMARY
Groups Count Sum Average Variance
Process 1 4 120 30 4.66667
Process 2 4 136 34 11.3333
Process 3 4 128 32 13.3333
ANOV
Source of Variation SS df MS F P value
Between Groups 32 ? ? ?
Within Groups 88 ? ?
Total 120 11
a. State the null and alternative hypothesis for single factor ANOVA.
b. State the decision rule (α = 0.05).
c. Calculate the test statistic.
d. Make a decision.
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