Measures of Central Tendency and Dispersion in Frequency Distributions

The Growth in bad-debt expense for Johnston Office Supply Company over the last few follows. Calculate the average percentage increase in bad-debt expense over this time period. If this rate continues, estimate the percentage increase in bad debts for 1997, relative to 1995.

Realistic Stereo Shops market up its merchandise 35 percent above the cost of its latest additions to stock.


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Hayes Textiles has shown the following percentage increase in net worth over the last 5 years.


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Micro swift, the U.S.- based computer software giant, has posted an increase in net worth during 7 of the last 9 years. Calculate the average percentage change in net worth over this time period.


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The Birch Company, a manufacturer of electrical circuit boards, has manufactured the following number of units over the past 5 years.


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Bob Headen is calculating the average growth factor for this stereo store over the last 6 years. Using a geometric mean, he comes up with an answer of 1.24.


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Over a 3 week period, a store owner purchased $120 worth of acrylic sheeting for new display cases in three equal purchases of $40 each.


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Industrial Suppliers, Inc., Keeps records on the cost of processing a purchase order. Over the last 5 years, this cost has been $55.00, $61.00, THIS PERIOD?


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A sociologist has been studying the yearly changes in the number of convicts assigned to the largest correctional facility in the state.


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