Question

Engineers at Sorites Heap, Inc. are trying to assess the difference in average meltdown temperature for two competing brands of DB conical resonators, a component used in the manufacture of your company’s main product. They take a simple random sample of four Brand W and four Brand F units with the following results:
a. Compute the sample means and sample standard deviations (s1 and s2) here.
b. Compute the pooled estimate of population standard deviation.
c. Using the pooled estimate in b, construct and interpret the 95% confidence interval estimate of the population mean melt down temperature difference. Be sure to use the appropriate tscore for your interval. You can assume that the population meltdown temperatures are normally distributed, with equal standard deviations.


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  • CreatedJuly 16, 2015
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