A safety engineer records the braking distance of two types of tires. Each randomly selected sample has 35 tires. The results of the test are at a= 0.10.
Type A Type B
_ _
X1 = 43 feet X2 = 45 feet
S1 = 4.6 S2 = 4.5 feet
Assume the sample are randomly selected and that the sample are independent. can the engineer support the claim that the identify the claim and state H0 and Ha mean braking distance is different for the two types of tires.