Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be?

  1. 50-20=30
  2. 50/20
  3. 70
  4. 50
    Right Answer: 50

January 4, 2018   Asghar Khan    Statistic  
Total 1 Votes:
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