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Find the mean (correct to one place of d...

Find the mean (correct to one place of decimal) by using short -cut method.

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The correct Answer is:
44.6
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ICSE-MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)-EXERCISE 24 (A)
  1. Find the mean of the following set of numbers: 6,9,11,12 and 7

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  2. Find the mean of the following set of numbers: 11,14,23,25,10,12,18 ...

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  3. Marks obtained (in mathematics) by 9 students are given below: 60, 67,...

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  4. Find the mean of natural numbers from 3 to 12.

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  5. (a) Find the mean of 7, 11, 6, 5, and 6. (b) If each number given in (...

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  6. (a) Find the mean of 7, 11, 6, 5, and 6. (b) If each number given in (...

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  7. If the mean of 6, 4, 7, p and 10 is 8, find the value of p.

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  8. If the mean of the number 6,y,7,x and 14 is 8. Express y in terms of x...

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  9. The ages of 40 students are given in the following table: Age(in yrs) ...

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  10. If 69.5 is the mean of 72, 70, x, 62, 50, 71, 90, 64, 58 and 82, find ...

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  11. The following table gives the height of plants in centrimetre. If the ...

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  12. From the data, give below, calculate the mean wage, correct to the nea...

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  13. The contents of 100 match boxes were checked to determine the number o...

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  14. If the mean of the following distribution is 3 find the value of p.

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  15. In the following table sumf=200 ad mean =73. Find the missing frequenc...

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  16. Find the arithmetic mean (correct to the nearest whole number ) by usi...

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  17. Find the mean (correct to one place of decimal) by using short -cut me...

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