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N(A)-Level Mathematics Statistics and Probability quiz (SEAB 4045) quiz

13questions. Pick an answer and you'll see why right away.

  1. Find the mean of 3,6,9,123, 6, 9, 12.

  2. Find the median of 5,2,9,4,75, 2, 9, 4, 7.

  3. Find the median of 8,3,6,18, 3, 6, 1.

  4. Find the mode of 4,7,7,9,7,24, 7, 7, 9, 7, 2.

  5. Find the range of 12,5,18,9,712, 5, 18, 9, 7.

  6. Which average is least affected by a single very large value (an outlier)?

  7. In a frequency table, 2020 students scored a grade. If 88 scored a B, what fraction is that?

  8. In a pie chart of 4040 people, 1010 prefer coffee. What is the angle of the coffee sector?

  9. A pictogram uses a symbol that represents 55 items. How many items do 3.53.5 symbols represent?

  10. On the probability scale, what value means an event is certain?

  11. A fair six-sided die is rolled. What is the probability of rolling an even number?

  12. A bag has 44 red and 66 yellow balls. What is the probability of drawing a red ball?

  13. If P(rain)=0.3\text{P(rain)} = 0.3, what is the probability that it does not rain?