Numerical Data Distribution

Q1. What is the value of 3/4 + 6/8 + 9/8 + 1 1/8?

• 3/4

• 6/8

• 9/8

• 1 1/8

• 2
• 4
• 6
• 7

• 7/6 = 1 1/6
• 1
• 1 2/3 
• 1 1/2

• 1/8
• 1/4
• 3/4
• 7/8

What is the IQR of this data set?
1, 1, 2, 2, 5, 6, 6, 7

• 3

• 4

• 4.5

• 5.5

What is the IQR of this data set?
9, 5, 6, 3, 1, 8

• 3.5

• 4

• 5

Which would be the best measure of center for the following set of data:
100, 125, 100, 95, 125, 800, 150

• mean

• median

• mode

• all of the above

Why would median be the best measure of center for the following set of data?
100, 125, 100, 95, 125, 800, 150

• There is an outlier.

• There is repeated data.

• All values should be included in the measure of center.

• All of the above.

Which would be the best measure of center for the following set of data:
12, 15, 21, 13, 15, 22, 25, 11, 14

• mean

• median

• mode

• all of the above

Why would mean be the best measure of center for the following set of data?
12, 15, 21, 13, 15, 22, 25, 11, 14

• There are no outliers.

• There is little repeated data.

• All values are included in the measure of center.

• All of the above.