Does statistical help make a difference? Is there a significant difference in
Chapter 0, Problem 21.19(choose chapter or problem)
Does statistical help make a difference? Is there a significant difference in theproportions of papers with and without statistical help that are rejected withoutreview? Use software or the bottom row of Table C to get a P-value. (Thisobservational study does not establish causation: studies that include statisticalhelp may also be better in other ways than those that do not.)
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