In: Statistics and Probability
1)A local supermarket claims that the waiting time for its customers to be served is the lowest in the area. A competitor's supermarket checks the waiting times at both supermarkets. The sample statistics are listed below. Test the local supermarket's hypothesis. Use a= 0.05.
Local Supermarket | Competitor Supermarket |
n1= 15 | n2= 16 |
xbar 1= 5.3 minutes | xbar 2= 5.6 minutes |
s1= 1.1 minutes | s2= 1.0 minutes |
A) Hypothises:
B) Critical Values t-critical
C) Test statistic t-stat and the decision to reject or fail to reject
D) The conclusion about the decision
Fail to claims reject Ho, There is not enough evidence to claim that the waiting time for local supermarket customers to be served is the lowest in the area.