# Blast 4

Blast 4

- The following set of data shows the results 15 children got in a Maths test.

12, 8, 17, 14, 15, 17, 13, 10, 14, 19, 11, 14, 18, 20, 14

State the mean, mode, median and range for this set of data.

2. The following set of data shows the number of pets owned by 20 children.

1, 2, 0, 1, 3, 1, 4, 0, 2, 5, 1, 1, 6, 2, 0, 3, 1, 1, 2, 2

State the mean, mode, median and range for this data set.

3. On a table are three cards. Card A has the number 12 on it, card B has the number 7 on it. The mean of the three cards is 9. What number is on card C?

4. In my hand I have 4 cards. Each card has a number on it, the highest it can be is 10 and the lowest a card can be is 1. The numbers on cards can be repeated. The mean of the 4 cards is 7, the mode of the cards is 6, the median is 6.5 and the range is 3. What numbers are on the cards?

Answers:

- Mean = 14.4 Mode = 14 Median = 14 Range = 12
- Mean = 1.9 Mode = 1 Median = 1.5 Range = 6
- Card C = 8
- Numbers on the cards are 6, 6, 7, 9