There are 48 people in a bus. The number of females in the bus is represented on a pie chart by an angle of 60 degrees. How many women are on the bus
9
12
8
6
The mean of two numbers is 7. One of the numbers is 5. The other number is
9
7
12
2
The mean of 6, 4, and x is 9. Then x is
27
17
18
12
50 students attend a lecture. On a pie-chart the number of girl students is represented by an angle of 72 degrees. The number of girl students is
15
12
20
10
The mean of two numbers is 3. When another number is included the mean is 4. This last number is
12
6
3
4
A set of four numbers has mean 5 and mode 4. The set of numbers is
4, 9, 4, 6
4, 8, 6, 2
5, 4 7, 4
4, 4, 4, 9
The mode of the data 2,4,3,3,5,3,4,5,2,7
3
38
3.8
10
In a group of 120 footballers 15 are left-footed players. On a pie-chart the measure of the angle at the centre of the sector representing the number of left-footed players is