## ANOVA CASE STUDY

The watch supervisor wants to know if there is a statistical significance between the working shift’s productivity. The following data pertains:

8 AM – 4 PM 4 PM – Midnight Midnight – 8 AM
23 21 22
32 30 20
27 28 21
30 29 19

Conduct a One — factor Analysis of Variance. Once you have the excel computer results, conduct an eight step hypothsis test to provide your conclusions. A reminder:

The eight step hypothesis test are: Do them in this order and in this sequence, each step stated in the right order and sequence is worth 10 points. If you have the information but in the wrong sequence, you will receive only five points for that step.

1. Hypothesis (Ho and Ha)
2. Level of significance.
If your name is in the top six alphabetically in the class, use 0.01 level of signifcance.
If your name is in the second six alphabetically in the class, use 0.05 level of signifcance.
If your name is in the top six alphabetically in the class, use 0.10 level of signifcance.
3. Test statistics
4. Decision rule
5. Statistics
6. Decision
7. Conclusion
8. Recommendations

Sample Solution