Statistics revision quiz

Which measure of central tendency best represents this data?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

• The mean would not change

• The mean would go up

• The mean would go down

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Biased or Random?

Reign wants to determine the most popular brand of cereal in all of Australia. So he polls all the houses on his street to get a sample.

• Biased

• Random

What is the median of this data set?

3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

• 11

• 12

• 13

• 17

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Calculate the mean of Shelly's test scores if she has scored 75, 97, and 92 so far this semester.

• 92

• 88

• 132

• 123

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

3, 4, 5, 5, 5, 6, 7

The range of these numbers is

• 15

• 4

• 2

• 5

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A data value that is much higher or much lower than the other values in a data set.

• outlier
• inlier
• immalier
• sublier

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Population or sample?

Getting every household in Australia to complete the Census forms.

• Population

• Sample

• Neither

• No enough information

What is the median?

• 62
• 58
• 66
• 60

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5