Which one of the following statistics is not a measure of spread?

a.

Variance

b.

Range

c.Mode

d.

Coefficient of Variation

Three mathematics majors are assessed for whether or not they suffer from math anxiety. How many outcomes are in the sample space?

a.

3

b.

5

c.

6

d.

2

3. The mean is not a suitable measure of location if the distribution of the data is symmetric.

Select one:

True

False

A game consist of two stages. Firstly the participants are required to roll a fair six-sided dice. If the roll result in the number 1 or 6, the participant is allowed to more to the second stage; otherwise the participant exits the game. The second stage is the toss of a fair coin. If the toss results in 'head' the participant wins the game. Which one of the following tree diagrams best represents the outcomes of this game?