The time married men with children spend on childcare is reported to average 7.8 hours per week. You belong to a professional group on family practices that would like to do its own study to determine if the time married men in your area spend on childcare per week differs from this reported mean. A sample of 40 married men will be used with the data collected showing the average hours per week spent on childcare.Use a 5% level of significance.

Average	7,11557
Mu0	7,80000
std dev	2,44620
count	40,00000
std error	0,38678
test-stat	-1,76958
Lower	0,04231
Upper	0,95769
two tails	0,08462

Hours Spent in Child Care
Mean	7,12
Standard Error	0,39
Median	7,08
Standard Deviation	2,45
Sample Variance	5,98
Range	9,21
Minimum	2,49
Maximum	11,70
Sum	284,62
Count	40,00
Confidence Level(95,0%)	0,78
Upper limit	7,90
Lower limit	6,33

a) Formulate an appropriate test and explain why your test formulation is correct.

b) State your test statistics and p-values.

c) State your conclusion and interpretation.