A company has developed a new light bulb that seems
A company has developed a new light bulb that seems to burn longer than most residential bulbs. To determine how long these bulbs burn, the company randomly selects a sample of these bulbs and burns them in the laboratory. The Excel output shown here is a portion of the analysis from this effort. Discuss the output.
Bulb Burn
Mean ......... 2198.217
Standard deviation ..... 152.9907
Count ......... 84
Confidence level (90.0%) ... 27.76691

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