Pipes used in a water distribution network are susceptible to breakage due to a variety of factors.

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Pipes used in a water distribution network are susceptible to breakage due to a variety of factors. When pipes break, engineers must decide whether to repair or replace the broken pipe. A team of civil engineers estimated the ratio of repair to replacement cost of commercial pipe based on the diameter (in millimeters) of the pipe. (IHS Journal of Hydraulic Engineering, September 2012.) Data for a sample of 13 different pipe sizes are provided in the table. Use a scatterplot to aid the engineers in detecting a trend in the data. Does it appear that ratio of repair to replacement cost is strongly associated with pipe size?

DIAMETER RATIO 80 100 125 150 200 250 300 350 400 450 500 600 700 6.58 6.97 7.39 7.61 7.78 7.92 8.20 8.42 8.60 8.97 9.31
Distribution
The 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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Statistics For Business And Economics

ISBN: 9780134506593

13th Edition

Authors: James T. McClave, P. George Benson, Terry Sincich

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