The Cambridge Power and Light Company selected a random sample of 20 residential customers. Following are the

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The Cambridge Power and Light Company selected a random sample of 20 residential customers. Following are the amounts, to the nearest dollar, the customers were charged for electrical service last month:

75 33 46 62 60 65 70 67 54 67 48 58 50 35 25 56 47 66 39 68

(a) compute the arithmetic mean

(b) indicate whether it is a statistic or a parameter.

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Statistical Techniques in Business and Economics

ISBN: 978-1259666360

17th edition

Authors: Douglas A. Lind, William G Marchal

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Question Posted: May 28, 2018 07:22 AM

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The Cambridge Power and Light Company selected a random sample of 20 residential customers. Following are the

Question:

75 33 46 62 60 65 70 67 54 67 48 58 50 35 25 56 47 66 39 68

Step by Step Answer:

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Statistical Techniques in Business and Economics

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