Data handling (1)

Calculate the Median of the following set of numbers: 10, 15, 20, 25, 30

• 18

• 28

• 20

• 22

Calculate the Mode of the following set of numbers: 5, 10, 15, 10, 20

• 10

• 15

• 5

• 20

Calculate the Range of the following set of numbers: 2, 5, 8, 12, 15

Mathematical Equivalence

ON

Define Median in your own words.

• The median is the middle value in a list of numbers when they are ordered from smallest to largest. If there is an even number of values, the median is the average of the two middle numbers.

• The median is the average of the first and last numbers in a list

• The median is the sum of all numbers in a list

• The median is always the largest number in a list

Define Mode in your own words.

• Mode is the average of a data set.

• Mode is the highest value in a data set.

• Mode is the middle value in a data set.

• Mode is the value that appears most frequently in a data set.

Define Range in your own words.

• The sum of all values in a set of data

• The mode of all values in a set of data

• The average of all values in a set of data

• The difference between the highest and lowest values in a set of data.

Find the Median of the set: 12, 15, 18, 21, 24

• 18

• 22

• 21

• 15

Find the Mode of the set: 3, 6, 9, 3, 12

• 6

• 12

• 9

• 3

Find the Range of the set: 5, 10, 15, 20, 25

• 35

• 30

• 20

• 10

Match the following numbers with their products.

• The median represents the sum of all numbers in a set

• The median represents the highest value in a set of numbers

• The median represents the highest value in a set of numbers

• The median represents the middle value in a set of numbers.

• The median represents the average of all numbers in a set

• The median represents the average of all numbers in a set

• The median represents the middle value in a set of numbers.

• The median represents the sum of all numbers in a set