5) 5) Two types of flares are tested and their burning times are recorded. The summary statistics are given below. Brand
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5) 5) Two types of flares are tested and their burning times are recorded. The summary statistics are given below. Brand
5) 5) Two types of flares are tested and their burning times are recorded. The summary statistics are given below. Brand X n = 35 X = 19.4 min S = 1.4 min Brand Y n = 40 x = 15.1 min $0.8 min Construct a 95% confidence interval for the differences between the mean burning time of the brand X flare and the mean burning time of the brand Y flare, A) 3.6 min < PX - HY < 5.0 min B) 3.2 min < PX - WY < 5.4 min C) 3.5 min < X - HY < 5.1 min D) 3.8 min <HX-HY < 4.8 min
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