Question
Identify the correct formula for calculating r using the step deviation method, where U and V are the step deviations of X and Y.
Answer: Option B
:
B
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B
The shortcut formula for calculating r is
r=N∑(UiVi)–(∑Ui)(∑Vi)√N∑U2i–(∑Ui)2√N∑V2i–(∑Vi)2
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