Mathematics 0580 · IGCSE · Averages and measures of spread

Averages and measures of spread — practice question

There are 196 candidates altogether, and each one has a candidate number from 3001 up to 3196. They are arranged in numerical order in columns and rows, with 20 rows in total. The diagram shows part of the seating plan for the candidates.
(a(i))[2]

Write down their numbers.

(a(ii))[2]

Complete this statement. Candidate 3135 sits in Column ................., Row ..................

(a(iii))[2]

Find an expression, in terms of $n$, for the number of candidate C.

(b)[2]

Work out Hari's total time for this examination. Give your answer in hours and minutes.

(c(i))[1]

Write down the range you obtain.

(c(ii))[1]

Find the median for this data set.

(c(iii))[3]

Calculate the mean of the data.

(c(iv))[2]

Find the probability that the candidate takes fewer than 8 examinations.

Worked solution & mark scheme

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