2026 NASS P1 Q8

2026 NASS P1 Q8

Secondary 4
3 marks

Six students took a Mathematics quiz and the marks were recorded.

\(9\quad11\quad10\quad14\quad11\quad10\)

  1. Calculate the standard deviation.[1]
  2. Two other students also took the quiz and their marks were recorded.
    Both the mean mark and modal mark obtained by the eight students were 11.
    Find the marks of these two students.[2]

Solution:

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Answer:(a) 1.57 (b) 11 and 12.

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