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Find the mean weight of 50 boys from the...

Find the mean weight of 50 boys from the following data :
`{:("Weight (in kg)",50,52,54,56,60),("Number of boys (frequency)",6,8,15,14,7):}`

A

54.6

B

55.6

C

54

D

55

Text Solution

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The correct Answer is:
A
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ICSE-DATA HANDLING -EXERCISE 24A
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  2. The marks obtained by 12 students in an examination (out of 50) are gi...

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  3. In a one-day cricket match, the runs scored by the players of a team a...

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  4. The following are the ages (in years) of 12 teachers in a school : 3...

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  5. The following are the ages (in years) of 12 teachers in a school : 3...

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  6. The following are the ages (in years) of 12 teachers in a school : 3...

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  7. The following are the ages (in years) of 12 teachers in a school : 3...

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  8. The daily wages (in ₹) of 15 workers in a factory are given below : ...

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  9. The daily wages (in ₹) of 15 workers in a factory are given below : ...

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  10. The maximum daily temperatures (in ""^(@)C) of a city during a week ar...

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  11. The maximum daily temperatures (in ""^(@)C) of a city during a week ar...

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  12. If the mean of 4, 6, x, 9, 10, 5 is 7, find the value of x.

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  13. Following is the number of children in 28 families ofa colony. 1, 2...

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  14. A dice was thrown 30 times and the following outcomes were notes : 1...

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  15. Find the mean weight of 50 boys from the following data : {:("Weight...

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  16. The heights (in cm) of 90 plants in a garden are given below : {:("H...

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  17. Find the mean height of 65 boys from the following data : {:("Height...

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  18. If the mean of the following frequency distribution is 15, find the va...

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