True or false on statistics

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   Range is a measure of central tendency.

2. Statement is true

   Yes

   Statement

   Median needs the data put in order first.

3. Statement is true

   Yes

   Statement

   A greater C.V. means a more variable series.

4. Statement is true

   No

   Statement

   C.V. works even when the mean is zero.

5. Statement is true

   Yes

   Statement

   Range uses only the two extreme values.

6. Statement is true

   No

   Statement

   Quartile deviation is studied in full here.

Instructions

Decide whether each statement is true or false.

Explanation