Measures of Central Tendency and Dispersion

Which of the following is not the measures of central tendency?

• mode

• mean

• median

• standard deviation

Median refers to _______.

• most frequently occurring score

• average

• value lies in the middle of the sample

• variation in the data

_________ is the average of each score’s squared difference from the mean.

• Variance

• Mean

• Standard deviation

• Range

What is the mean of this sample? 

(5, 6, 9, 2)

• 5

• 6.5

• 5.5

• 8

What is the median of following scores?

(3, 5, 8, 10, 16, 18, 20)

• 16

• 8

• 10

• 13

Which measure of central tendency would be most suitable for the following set of score?

1, 2 ,2 ,2 ,2 ,2 ,2 ,2 ,3 ,4 ,5 ,6 ,7 ,8

• mean

• mode

• median

• range

Which measure of central tendency would be most suitable for the following set of score?

1, 101, 104, 106, 111, 108, 109, 200

• mode

• median

• mean

• standard deviation

________ refers to the difference between the minimum and maximum score.

• standard deviation

• range

• mode

• median

Which of the following measures of central tendency are sensitive to extreme scores?

• mean

• median

• mode

• variance

When you have categorical variable, your measure of central tendency should be _____.

• median

• mean

• variance

• mode