Quick picks on statistics

Exercise and reference answers

Questions

1. Question

   A single number for spread is a measure of:

   Choices

   1. Dispersion
   2. Location
   3. Correlation

   Correct choice

   Dispersion

2. Question

   Maximum minus minimum is the:

   Choices

   1. Mean
   2. Range
   3. Median

   Correct choice

   Range

3. Question

   Mean deviation uses deviations that are:

   Choices

   1. Squared
   2. Cubed
   3. Absolute

   Correct choice

   Absolute

4. Question

   The unit free measure of spread is the coefficient of:

   Choices

   1. Variation
   2. Friction
   3. Expansion

   Correct choice

   Variation

5. Question

   The measure not studied here is the:

   Choices

   1. Range
   2. Quartile deviation
   3. Standard deviation

   Correct choice

   Quartile deviation

Instructions

Tap the correct answer before the round moves on.

Explanation