Four people listening to a 2800-word speech counted the number of words in the speech as they

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Four people listening to a 2800-word speech counted the number of words in the speech as they were listening. They came up with these results:

Fred: 2736 words Barney: 2792 words Wilma: 2810 words Betty: 2734 words

(a) Which person was most accurate?

(b) Which person was most precise?

(c) Would you judge the group’s average word count as being accurate or inaccurate?

(d) Four other people heard the same speech and came up with the word counts 2722, 2724, 2719, and 2723. Is this group more or less accurate than the first? Is this group more or less precise than the first?

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Introductory Chemistry Atoms First

ISBN: 9780321927118

5th Edition

Authors: Steve Russo And Michael Silver

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