IB Mathematics 1/20/23 Summative Review

Find the mean

4, 5, 5, 4, 3, 2, 5

• 1

• 2

• 3

• 4

the median is 7

5, 3, 2, 7, 6, 8, 7

• True

• False 

Find the mean of the numbers below:

1.4, 2.8, 2.4, 2.5, 2.8, 3.1, 1.1

• 2.3

• 2.2

• 2.4

• 2.1

What is the MEDIAN of this data?

• 65
• 40
• 915
• 13

What is the minimum value?

• 64
• 58
• 66
• 60

What is the maximum value?

• 58
• 66
• 64
• 60

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

What value is the lower quartile?

• 66
• 58
• 60
• 64

What is the median?

• 62
• 58
• 66
• 60

Which box and whisker plot has the smallest lower quartile (Q1)?

• Top plot
• Bottom plot