Sample statistics for a local bank and a competitor's bank

Sample size Local Bank n1=46

	Competitor Bank n2=50

Average waiting time in minutes for each sample	X⎯⎯⎯1=2.3 mins.

X2__ =2.6

Sample Standard Deviation of each Sample	s1= 1.1 mins

s2=1.0 mins.

1. Are the samples dependent or independent?
2. State your Null/Alternative hypotheses
3. What is the test-statistic?
4. What is the p-value?
5. What are the critical values?
6. Does the test-statistic lie in the rejection region?
7. Interpret the Result?
8. Does the result change for a different value of alpha? Explain?