Two essential features of all statistically designed experiments are a. Comparing several treatments; using the double-blind method.

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Two essential features of all statistically designed experiments are

a. Comparing several treatments; using the double-blind method.

b. Comparing several treatments; using chance to assign subjects to treatments.

c. Always having a placebo group; using the double-blind method.

d. Using a block design; using chance to assign subjects to treatments.

e. using enough subjects; always having a control group.

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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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