Mathematics (AS & A Level) · Feb / March 2017 · Paper 62 · Question 1
9709
As printed in the paper
The question as text
Twelve values of x are shown below. 1761.6 1758.5 1762.3 1761.4 1759.4 1759.1 1762.5 1761.9 1762.4 1761.9 1762.8 1761.0 Find the mean and standard deviation of x −1760 . Hence find the mean and standard deviation of x. [4]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.