Statistics Mcqs
Q For a symmetrical distribution approximately 68% of the cases are included between _________________?
  • A A. X¯¯¯¯−s and x¯¯¯¯+s
  • B B. X¯¯¯¯−2s and x¯¯¯¯+2s
  • C C. X¯¯¯¯−3s and x¯¯¯¯+3s
  • D D. None of these
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