(a)[1]
State the mode for the five numbers.
(b(i))[1]
If the mean of the six numbers is $-1$, which number did he choose?
(b(ii))[1]
If the difference between the highest and lowest of the six numbers is $12$, what two numbers could he have picked?
Mathematics 4024 · O Level · Averages and measures of spread
Averages and measures of spread — practice question
Omar has a set of number cards. He chooses these five cards: $-2, -4, -2, 4, 1$.