the following are the weight losses of certain machine parts (measured in mg), due to friction, when 3 different lubricants were used under controlled test conditions:

Assume level of significance is 5%. State the Null and Alternative hypotheses.

State the value of the F statistic.

State both the critical value.

State the critical region.

Would you reject the null hypothesis? Explain.

State your conclusion in the problem context.

Lubricant A	Lubricant B	Lubricant C
12.2	10.9	12.7
11.8	5.7	19.9
13.1	13.5	13.6
11.0	9.4	11.7
3.9	11.4	18.3
4.1	15.7	14.3
10.3	10.8	22.8
8.4	14.0	20.4