GRAPHS – P.6 assignment

Alice sold 3 litres of milk on Monday, 4 litres on Tuesday 2 ½ litres on Wednesday 5 litres on Thursday, 6 litres on Friday and 2 litres on Saturday.

Question:              Tabulate the information and draw a bar graph.

Find the mode in

(a) 4, 7, 2, 2, 8, 7

(b) 6, 4, 4, 1, 5, 0, 8, 7, 6

(c) 2, 6, 8, 6, 0, 2

(d) 5, 4, 0, 6, 4, 7, 5

The mean of the following numbers are given, find the unknown.

• 8, 4, 7, 2, 6, x, x +1. the mean is 10
• 7, 9, a + 3, 68, 5, 3, the mean is 6.

The average of 3, 0, 7 and x is 4.

What is the value of x?

The average of 7, x, 9, 8 and 10 is 8.

Find the value of x.

If the average of x, 3x, 7x, 4x, and 0 is 6.

find x.