Question

3 which of these best estimates the standard deviation of points in a card game? a 5 points b 20 points c 50 points d 500 points

Explanation:

Step1: Recall standard - deviation concept

Standard deviation measures the amount of variation or dispersion of a set of values.

Step2: Observe data spread

The data points range from around 490 to 510. Most points are clustered around 495 - 505.

Step3: Estimate standard - deviation

A rough estimate of the standard deviation can be made by looking at the spread of the data. The values are mostly within 5 units of the central values.

Answer:

A. 5 points