Mean mode and median

Find the mean of the following set of numbers:
7, 7, 10, 11, 12, 14, 30

• 11

• 13

• 7

• 30

Tags

CCSS.6.SP.B.5C

Find the mode of the following set of numbers:

7, 7, 10, 11, 12, 14, 30

• 11

• 13

• 7

• 30

Tags

CCSS.6.SP.B.5C

Find the median of the following set of numbers:

7, 7, 10, 11, 12, 14, 30

• 11

• 13

• 7

• 30

Tags

CCSS.6.SP.B.5C

For the set of numbers:

7, 7, 10, 11, 12, 14, 30

What statistical term could be used to describe the number 30?

For the set of numbers

7, 7, 10, 11, 12, 14, 30

the number 30 is found to have been incorrectly entered and so this value is removed leaving

7, 7, 10, 11, 12, 14

This will result in the value of the mean ______________

• Increasing

• Decreasing

• Staying the same

Confirm your answer to question 5 by finding the mean of :

7, 7, 10, 11, 12, 14

correct to one decimal place

• 10.5

• 7

• 10.2

• 8.7

Tags

CCSS.6.SP.B.5C

Find the median of

Confirm your answer to question 5 by finding the mean of :

7, 7, 10, 11, 12, 14

• 10

• 10.2

• 10.5

• 11

Tags

CCSS.6.SP.B.5C

The ______ is usually considered to be the best measure of centre because all values in the data set are used to calculate it. However when there is an extreme value (outlier) the __________ may be a better guide for where the centre of the data is.

• Mean, median

• Median, mean

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

The times (in seconds) of two teams in a recent 100m sprint competition are shown below

Team A 9.7 9.8 10.2 11.5 11.5 11.8 16

Team B 10.6 10.8 10.9 11.0 11.0 11.2 11.3

For a sprint team a _________ score is considered to be better

Looking at the fastest sprint time for each team, Team ___ performed better

• Lower, A

• Higher, A

• Lower, B

• Higher, B

Tags

CCSS.7.SP.B.4

The times (in seconds) of two teams in a recent 100m sprint competition are shown below

Team A 9.7 9.8 10.2 11.5 11.5 11.8 16

Team B 10.6 10.8 10.9 11.0 11.0 11.3 11.2

The mean for Team A is 11.5 seconds and Team B is 11.0 seconds

This indicates that Team ______ performed better

• A

• B

Tags

CCSS.7.SP.B.4