The class mark of class interval 60 - 70 will be

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Solution

The correct option is D
65

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Similar questions

Q. The class mark of the class 70-80 in case of exclusive class interval is ______.

Q. Find the class mark of class interval

50 - 60.

The following are the marks obtained in Maths by students of Class 8:
51, 94, 34, 20, 50, 81, 81, 90, 76, 34, 51, 86, 93, 99, 26, 54, 85, 71, 88, 40, 44, 56, 55, 57, 78, 53, 81, 78, 65, 78.
The data have to be grouped to find the mean marks. One of the class intervals made is 60-70.

What is the frequency of the last class interval?

Q. What will be the first class interval, if the fifth class interval is

60 - 65

, the fourth class interval is

55 - 60

and the total number of classes is limited to five.

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The class mark of class interval 60 - 70 will be

The correct option is D 65

The correct option is D
65