Statistics G12 SL+HL

A data set can have more than one median.

• True

• False

A data set can have more than one mode.

• True

• False

The mode score on the Grade 10 math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 94

• A score of 91 was slightly below average.

33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

• 8
• 9
• 13
• 21

Tags

CCSS.HSA-SSE.A.1A

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

What is the range of the data shown?

• 85
• 90
• 80
• 70

Tags

CCSS.3.MD.B.4

What test score is the mode of Mary's data?

• 75

• 63

• 85

• 73

Describe the shape of the distribution of the data shown:

• positively skewed

• negatively skewed

• symmetrical

How many data points are greater than 34?

• 10

• 11

• 12

• 13

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

On a recent test, one class of 26 students had a mean score of 78%, while another class of 32 students had a mean score of 86%. What is the overall mean of the two classes combined?

• 82

• 82.4

• 81.3

• 83