# The file Bulbs contains the life ( in hours) of a sample of forty 20- watt compact fluorescent light bulbs produced by Manufacturer A and a sample of forty 20- watt compact fluorescent light bulbs produced by Manufacturer B. a. Construct a frequency distribution and a percentage distribution for each manufacturer, using the following class interval widths for each distribution:

The file Bulbs contains the life ( in hours) of a sample of forty 20- watt compact fluorescent light bulbs produced by Manufacturer A and a sample of forty 20- watt compact fluorescent light bulbs produced by Manufacturer B.

a. Construct a frequency distribution and a percentage distribution for each manufacturer, using the following class interval widths for each distribution:

Manufacturer A: 6,500 but less than 7,500, 7,500 but less than 8,500, and so on.

Manufacturer B: 7,500 but less than 8,500, 8,500 but less than 9,500, and so on.

b. Construct cumulative percentage distributions.

c. Which bulbs have a longer life— those from Manufacturer A or Manufacturer B? Explain.

DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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**ISBN:** 9780321979018