Mathematics (AS & A Level) · Oct / Nov 2021 · Paper 62 · Question 1
9709
As printed in the paper
The question as text
The mass, in kilograms, of a block of cheese sold in a supermarket is denoted by the random variable M. The masses of a random sample of 40 blocks are summarised as follows. n = 40 Σm = 20.50 Σm2 = 10.7280
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)[3]
1(b)[3]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.