Statistics practice

What is the mode?
500, 600, 700, 800, 500, 600

• 500 and 600
• 700
• 800 and 700
• 500

Find the median of the data set
9, 8, 7, 11, 7, 16, 3

• 8
• 7
• 3
• 2

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193
• 127
• 60
• 66

What is the difference between the highest score and the lowest score on the test?

• 15
• 100
• 6
• 10

12,14,11,12,18,15,9, 32
What is the outlier?

• 12
• 9
• 32
• 18

Q2 is the same as the ______

• Mean

• Median

• Mode

• Range

What is the IQR of the following Data Set:

32, 35, 35, 36, 39, 40, 44, 48, 49

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 46 - 35 = 11

• Q1: 35

  Q2: 39

  Q3: 44

  IQR: 44 - 35 = 9

• Q1: 35

  Q2: 39

  Q3: 48

  IQR: 48 - 35 = 13

• Q1: 35

  Q2: 39

  Q3: 46

  IQR: 39 - 35 = 4

What is the mean (average) of this data? Round to the nearest tenth.

• 8.0

• 8.3

• 7.5

• 9.0

What is the median of this data?

• 20

• 12

• 4

• 13

The mean of five numbers is 8.2.

Four of the numbers are 8, 10, 12 and 10.

Work out the fifth number.

• 10

• 11

• 1

• 3