WAEC Mathematics questions: Statistics

26 questions with answers and explanations. Tap an option to check yourself.

1. Question 21· Statistics· WAEC

   In a pie chart showing 60 students, the sector for 15 students has an angle of

   • A45°
   • B90°
   • C60°
   • D15°

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2. Question 22· Statistics· WAEC

   In a pie chart, what fraction of the whole does a sector of 72° represent?

   • A1/4
   • B1/5
   • C1/6
   • D2/9

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3. Question 23· Statistics· WAEC

   Find the mode of 2, 5, 3, 5, 7, 2, 5, 8.

   • A3
   • B2
   • C8
   • D5

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4. Question 24· Statistics· WAEC

   The values 1, 2 and 3 occur with frequencies 2, 3 and 5. Find the mean.

   • A2.3
   • B2
   • C3
   • D2.5

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5. Question 25· Statistics· WAEC

   Find the range of 15, 8, 23, 11 and 19.

   • A31
   • B15
   • C12
   • D8

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6. Question 26· Statistics· WAEC

   Find the mean of 4, 7, 9, 12 and 8.

   • A7
   • B9
   • C8
   • D40

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   Explanation and discussion