Difference between two population means

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Reference no: EM1313066

Two types of flares are tested for their burning times (in minutes) and sample results are given below.

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n = 35 n = 40

x = 19.4 x = 15.1

s = 1.4 s = 0.8

Refer to the sample data to test the claim that the two populations have unequal means. Use a 95% confidence level. State null and alternative hypothesis along with your final conclusion.

Reference no: EM1313066

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