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A recent study at a college showed the mean textbook price to be $95. A random sample of 50 books from the bookstore has a
A recent study at a college showed the mean textbook price to be $95. A random sample of 50 books from the bookstore has a mean cost and standard deviation s = $8.75. Does this indicate that the mean cost of textbooks is less than $95? Which would be the proper test hypothesis for this problem?
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1 Claim T he mean cost of textbooks is less than 95 The hypotheses ar...
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Statistics The Art And Science Of Learning From Data
Authors: Alan Agresti, Christine A. Franklin
3rd Edition
9780321849281, 321755944, 321849280, 978-0321755940
