What is the mean of the numbers: 1, 7, 25, 9 and 34?
The mean of a group of numbers is found by dividing their sum by how many numbers there are.
Mean=(1+7+25+9+34)/5=76/5=15.2
IR
Related Maths GCSE answers
All answers ▸express 63 as a product of its prime factors
Work out the solutions to the following quadratic equation: x² + 7x + 10 = 0 by factorising.
Edexcel, 2016, Foundation Maths GCSE: A running club has 50 members. 30 members take part in road races, 15 members take part in fell races, 12 members do not run in road or fell races. How many members run both fell and road races?
(a) show that 3/10 + 2/15 = 13/30 (b) show that 2 5/8 ÷ 1 1/6 = 2 1/4