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Find the mean of 4, 6, 7, 9 and 4....

Find the mean of 4, 6, 7, 9 and 4.

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PEARSON IIT JEE FOUNDATION-STATISTICS-Short Answer Type
  1. Find the mean of 4, 6, 7, 9 and 4.

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  2. Find the median of the data 9, 12, 11, 10, 8, 9, 11.

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  3. Find the mode of the data 7, 8, 9, 9, 10, 7, 11, 10, 7, 6.

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  4. Find the range of the data : 14, 15, 16, 18, 19, 25, 30, 41, 26, 16, 1...

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  5. When a coin is flipped once, what is the probability of getting HEAD ?

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  6. What is a pie chart ?

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  7. The marks obtained by 15 students in an examination are given below : ...

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  8. The heights of 7 students are given below (in cm) : 120, 126, 132.41, ...

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  9. The mode of the data 20, 23, 22, 23, 22, 20, x, 21 is 22. Find the val...

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  10. The arithmetic mean of 10 observations is 45. If one of the obsservati...

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  11. If the mean of 4, x, and y is 6, then find the mean of x, y, and 10.

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  12. A bar graph is drawn to the scale 1 cm = 4 xx x units .The length of t...

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  13. In a pie chart, a component is represented as a sector with sector ang...

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  14. If the mean of 2,3, x ,7 ,8 is x, then find the value of x .

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  15. Anand's income and expenditure are in the ratio 9 : 5. Find the centra...

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  16. In a bar graph, a bar of length 8.6 cm is represented by 430 units. Fi...

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  17. Find the mode of the data 2, 4, 6, 4, 6, 7, 6, 7 and 8.

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  18. The mean height of a group of 30 students is 150 cm. If a 150 cm tall ...

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  19. The mean of observations 2, 3, 4, 5, 8, 14, and x is x. Find x.

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  20. In a box, there are 20 marbles. Each marble is marked with a distinct ...

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