EST I HS Math · Quiz

Quiz 2.1 · Mean, Median, Mode & Spread

9 real EST questions + 3 of ours. 90 seconds each.

50 questions in 75 minutes on the real paper = 90 seconds each. The clock below is that 90 seconds.

Q1REALEST I · December 2021 · §II Q36 (grid-in on the paper)Application90s

In a class of 25 students, the average grade of the boys, of the girls and of the whole class is 12, 14 and 13.2 respectively. How many girls are in the class?

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