Multiple choice

The table shows the number of marks of a student in different maths tests. Number of marks 0 1 5 7 9 Frequency 2 3 1 3 5 Which of the following data is correct for the given frequency table?

  1. 0, 0, 1, 1, 1, 5, 7, 7, 7, 9, 9, 9, 9, 9

  2. 0, 0, 1, 1, 1, 5, 7, 7, 9, 9

  3. 0, 0, 1, 1, 5, 7, 9, 9

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The frequency table shows: 0 appears 2 times, 1 appears 3 times, 5 appears 1 time, 7 appears 3 times, 9 appears 5 times. Listing these in order: 0, 0, 1, 1, 1, 5, 7, 7, 7, 9, 9, 9, 9, 9.

AI explanation

To write the data from the frequency table, each number in the marks row is repeated according to its respective frequency. The number 0 is repeated twice, the number 1 is repeated three times, the number 5 is repeated once, the number 7 is repeated three times, and the number 9 is repeated five times. This directly produces the sequence 0, 0, 1, 1, 1, 5, 7, 7, 7, 9, 9, 9, 9, 9. The result is 0, 0, 1, 1, 1, 5, 7, 7, 7, 9, 9, 9, 9, 9.

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