Question: A simple random sample of 10 pages from Merriam-Websters Collegiate Dictionary is obtained. The numbers of words defined on those pages are found, with these
A simple random sample of 10 pages from Merriam-Webster’s Collegiate Dictionary is obtained. The numbers of words defined on those pages are found, with these results: n = 10, x̅ = 53.3 words, s = 15.7 words. Given that this dictionary has 1459 pages with defined words, the claim that there are more than 70,000 defined words is equivalent to the claim that the mean number of words per page is greater than 48.0 words. Assume a normally distributed population. Use a 0.01 significance level to test the claim that the mean number of words per page is greater than 48.0 words. What does the result suggest about the claim that there are more than 70,000 defined words?
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Solution It suggests that the claim is not true The computed value of the test statistic 501 wor... View full answer
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