ED 106 - QUIZ (GROUP 3)

Find the range:

12, 25, 8, 4, 20, 30, 27, 7, 19, 6

FIND THE MEAN:

85, 105, 77, 80, 99

A distribution is said to be ________ skewed if the scores are concentrated at the higher end of the measurement scale.

It is said to be _______ skewed if the scores are concentrated at the lower end of the measurement scale.

Variability refers to how “_________” a group of scores is.

Signifies that they tend to fall further away.

• Low Dispersion

• High Dispersion

The range is sensitive to outliers, or values that are significantly higher or lower than the rest of the data set, and should be used when outliers are present.

• TRUE

• FALSE

Answer explanation

should not be used

It refers to the simplest measure of variability.

Teachers teach and assess are aligned with the intended learning outcomes

• TRUE

• FALSE

It refers to the summary statistic that represents the amount of dispersion in a dataset.