vending machine company wants to check three of its machines to determine if they are properly dispensing 12 ounces of coffee.Their data is given below. = 0.01 (Assume populations are normal)

Row Machine AMachine B Machine C

1 11.5 10.3 11.1

2 12.1 9.7 11.3

3 11.6 10.4 11.9

4 12.0 10.7 11.5

5 11.1 9.9 11.7

6 12.2 10.1 11.3

H_o: _A = _B = _C

H_a: Not all means are equal

One-way ANOVA: Machine A, Machine B, Machine C

	SS	df	MS	F
Treatment Between
Error Within
Total

P-value: ___________________

Decision: _______________________________

Summary: ___________________________________________________

Test the hypothesis that the two variances (standard deviations) for Machine A and Machine B in the above problem are different .

s_A = __________ s_B = _________

n_A = __________ n_B = _________

a = 0.05

H_o: ______________________ H_a: ___________________

P-value: ___________________

Decision: _______________________________

Summary: ___________________________________________________