Variance and Standard Deviation MCQs Quiz Online PDF Download

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MCQs on Variance and Standard DeviationQuiz PDF Download

MCQ: If total sum of square is 20 and sample variance is 5 then total number of observations are

  1. 15
  2. 25
  3. 4
  4. 35

C

MCQ: In manufacturing company, number of employees in unit A is 40, mean is USD $6400 and number of employees in unit B is 30 with mean of Rs. 5500 then combined arithmetic mean is

  1. 9500
  2. 8000
  3. 7014.29
  4. 6014.29

D

MCQ: If calculated value of total sum of squares in sample variance is larger than variation in data set is considered as

  1. smaller
  2. greater
  3. zero
  4. negative

B

MCQ: Undesirable consequences which causes estimated population variance to appear less as compared to real results are classified as

  1. undesired error
  2. bias
  3. non-calculate error
  4. non-zero error

B

MCQ: Formula in which Σ(x-x‾)² is divided by one less than number of observations in sample is classified as

  1. coefficient of deviation
  2. mean variance
  3. sample variance
  4. population variance

C