Lightbulb Lifetimes Eighty randomly selected lightbulbs were tested to determine their
Chapter 3, Problem 23(choose chapter or problem)
Lightbulb Lifetimes Eighty randomly selected lightbulbs were tested to determine their lifetimes (in hours). This frequency distribution was obtained. Class boundaries Frequency 52.563.5 6 63.574.5 12 74.585.5 25 85.596.5 18 96.5107.5 14 107.5118.5 5
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