Flip and pair: symbol with meaning

Exercise and reference answers

Matching pairs

1. A

   σ

   B

   standard deviation

2. A

   σ²

   B

   variance

3. A

   M.D.(x̄)

   B

   mean deviation about the mean

4. A

   M.D.(M)

   B

   mean deviation about the median

5. A

   n

   B

   number of observations

6. A

   N = Σfᵢ

   B

   total frequency in grouped data

Explanation