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 ▸In an office there are twice as many females as males. 1/4 of the females wear glasses. 3/8 of the males wear glasses. 84 people in the office wear glasses. Work out the number of people in the office.
5^a = 1/25, 5^b = 25sqrt(5), 5^c = 1/sqrt(5). What is the value of a + b + c?
Expand the following expression: (2x+3)(x+1)
Issy goes to buy some fruit. She has been told by one friend that 2 apples and 3 bananas costs £3.80. She has been told by another friend that 5 apples and a banana costs £3.65. what are the individual costs of an apple and a banana?