Question: Two types of flares are tested for their burning times (in minutes) and the sample results are given below. Refer to the sample data to test the claim that two populations have equal means. Use a 0.05 significance level.

Brand X Brand Y

n= 100 n= 95

\(\bar{X}\) = 18.3 \(\bar{X}\) = 19.5

s= 1.215 s=0.625