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Name: It is thought that a new process for producing a certain chemical may
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Description: It is thought that a new process for producing a certain chemical may be cheaper than the currently used process. Each process was run 6 times, and the cost of producing 100 L of the chemical was determined each time. The results, in dollars, were as

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter7: Applying Fractions

Section7.2: Proportions

Problem 50WE

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It is thought that a new process for producing a certain chemical may be cheaper than the currently used process. Each process was run 6 times, and the cost of producing 100 L of the chemical was determined each time. The results, in dollars, were as follows: New Process: 51 52 55 53 54 53 Old Process: 50 54 59 56 50 58 Can you conclude that the mean cost of the new method is less than that of the old method?

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