Statistics revision quiz

Which measure of central tendency best represents this data?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

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.HSF-LE.A.1B

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.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

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.B.5

CCSS.6.SP.A.3

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.B.5

CCSS.6.SP.A.3

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

The range of these numbers is

• 15

• 4

• 2

• 5

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

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.B.5

CCSS.6.SP.A.3

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.B.5C