Discussion:
Q: In the past, young women drivers have maintained a better driving record than young men drivers. An insurance company is concerned with the driving record of its insured customers. Specifically, it conducts a test for the number of speeding tickets received during the past year by drivers between the ages of 18 and 25.
men women
n1= 120 n2= 85
1= 1.2 2 = 0.4
s21 = 24.8 s22 = 10.6
A test for the equality of average number of tickets per driver for the two groups is desired.
Use = 0.01.
Calculate the p-value for this test.