Central value choices

Exercise and reference answers

Questions

1. Question

   M.D.(x̄) is mean deviation about the

   Choices

   1. median
   2. mode
   3. mean

   Correct choice

   mean

2. Question

   M.D.(M) is mean deviation about the

   Choices

   1. median
   2. mean
   3. maximum

   Correct choice

   median

3. Question

   In grouped data, the divisor is

   Choices

   1. n, the number of classes
   2. N, the total frequency
   3. the range

   Correct choice

   N, the total frequency

Explanation