Mathematics (AS & A Level) · May / June 2026 · Paper 62 · Question 1
9709
As printed in the paper
The question as text
Ten random values of a variable X are given below. 8.1 8.3 9.5 10.1 7.9 8.7 9.1 8.8 9.4 9.0 Calculate unbiased estimates of the population mean and variance of X. [3]
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.