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6-Step Hypothesis Testing with Light bulb Difference

A random sample of twelve 100 watt light bulbs made by Lite Up Your Life Inc had the following burn times: 1810, 1835, 1720, 1860, 2085, 1605, 1920, 1930, 1915, 1995, 1975, and 1975 hours. A random sample of fifteen 100 watt bulbs made by Lights R Us had the following burn times: 2065, 1855, 2135, 2129, 1795, 2245, 2085, 2135, 2345, 2185, 2200, 2460, 2295, 2225, and 2150 hours Is there a difference in the bulbs made by the two companies? Please use a 6-step hypothesis test.

Solution Summary

This solution contains a 6-step hypothesis test to determine if a difference exists between the two light bulb companies. A null hypothesis and alternative hypothesis is provided and a statistical analysis is conducted to determine if the null hypothesis is accepted or rejected.

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