Question

In: Statistics and Probability

Question 3: The data in the table below presents the hourly quantity of production for three...

Question 3:

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

ANOVA

Source of Variation

SS

df

MS

F

P value

Between Groups

32

?

?

?

Within Groups

88

?

?

Total

120

11

  1. State the null and alternative hypothesis for single factor ANOVA.
  2. State the decision rule (α = 0.05).
  3. Calculate the test statistic.
  4. Make a decision.

Solutions

Expert Solution

Solution-

Ho: There is no significant difference between samples.

Ha: There is significant difference between samples.


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