Use the 5-step solution for each of the following problems.

Example:

1. Ho: = = =

;

Ha: Not all the are equal or at least one pair of means is significantly different.

2. = 0.01, = 0.105792

3. Decision Rule: Reject Ho if p-value

4. Decision: Do not reject Ho

5. Conclusion: There is no significant difference in the average number of bottles of vinegar sold.

Using=0.05, test if there is a significant difference in the number of male and female COA students who favor that the regulation on the wearing of school uniform be removed. Results of a survey on 300 students are presented in the table below.

Action	Male	Female	Total
For removal	100	80	180
Not for removal	50	70	120
total	150	150	300