Consider the daffodil data of Exercise 11.4.5. (a) Define a contrast to compare the stem length for
Question:
(a) Define a contrast to compare the stem length for daffodils from the open area versus the average of the north, south, east and west sides of the building.
(b) Consider applying a (nondirectional) t test to the contrast is part (a). What is the value of ts and how many degrees of freedom are there?
(c) The P-value for the test is 0.0011. If α = 0.05, state your conclusion regarding the contrast in the context of this setting.
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a The contrast is where 5 denotes open area and 1 through 4 denote north east south and we...View the full answer
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Related Book For
Statistics For The Life Sciences
ISBN: 9780321989581
5th Edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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