Statistics
Maharashtra Board · Class 9 · Mathematics
Most important questions from Statistics for Maharashtra Board Class 9 Mathematics board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
If the class interval is 15-25, what is the class mark?
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20
Class mark = (Lower limit + Upper limit) ÷ 2 = (15 + 25) ÷ 2 = 40 ÷ 2 = 20. Common mistake: Taking one of the limits instead of average.
Which of the following are measures of central tendency? (Select all correct options)
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Mean, Median, Mode
Mean, Median, and Mode are the three main measures of central tendency that represent the center of data. Range measures spread, not center. Frequency shows occurrence count.
Calculate the range of the data: 15, 8, 22, 11, 19, 6, 25
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19
Range = Highest value - Lowest value = 25 - 6 = 19. First identify highest (25) and lowest (6) values, then subtract. Common mistake: Adding instead of subtracting.
In a class of 30 students, if 12 students scored 80 marks, 10 students scored 85 marks, and 8 students scored 90 marks, what is the mean score?
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84
Total marks = (12×80) + (10×85) + (8×90) = 960 + 850 + 720 = 2530. Mean = 2530 ÷ 30 = 84.33 ≈ 84. Common mistake: Taking simple average of scores without considering frequencies.
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