Mathematics, 05.05.2020 18:39 kianag312
The R. R. Bowker Company collects information on the retail prices of books and publishes the data in The Bowker Annual Library and Book Trade Almanac. In 2005, the mean retail price of agriculture books was $57.61. This year’s average retail price for n = 28 randomly selected agriculture books was ¯x = $54.97 with standard deviation of s = $8.45. (a) Use significance level ↵ = 0.05 and conduct the following test H0 : µ = 57.61 versus Ha : µ 6= 56.71 (b) Interpret your answer in part (a).
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The R. R. Bowker Company collects information on the retail prices of books and publishes the data i...
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