3. From his long standing experience, a farmer believes that the mean yield of grain per p his farm is 160 bushels. When a new seed introduced on the market was tried on si randomly selected experimental plots, the mean yield was 168 bushels. Suppose the per plot can be assumed to be normally distributed with a standard deviation of yield bushels. Is the new seed significantly better? Use a = 0.05

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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3. From his long standing experience, a farmer believes that the mean yield of grain per plot in
his farm is 160 bushels. When a new seed introduced on the market was tried on sixteen
randomly selected experimental plots, the mean yield was 168 bushels. Suppose the yield
per plot can be assumed to be normally distributed with a standard deviation of yield of 22
bushels. Is the new seed significantly better? Use a = 0.05
Transcribed Image Text:3. From his long standing experience, a farmer believes that the mean yield of grain per plot in his farm is 160 bushels. When a new seed introduced on the market was tried on sixteen randomly selected experimental plots, the mean yield was 168 bushels. Suppose the yield per plot can be assumed to be normally distributed with a standard deviation of yield of 22 bushels. Is the new seed significantly better? Use a = 0.05
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