Question

the class mark of class interval 125-145 is
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Answer 1

Answer:

the answer will be 135

Step-by-step explanation:

the class mark of class 125-145,

we know,

[upper class limit + lower class limit]

------------------

2

so, 145+125

2

= 270 /2

=135.

hence, the class mark of class 125-145 is 135

Answer 2

The class mark of a class interval is the midpoint of the interval, which is calculated as the average of the lower and upper limits of the interval. In the case of the class interval 125-145, the class mark is 135.

The class mark of a class interval is the midpoint of the interval. The class mark is also sometimes referred to as the class center or class average.

To find the class mark of the class interval 125-145, we need to find the midpoint of this interval. The midpoint is simply the average of the lower and upper limits of the interval.

To find the midpoint of the interval 125-145, we add the lower and upper limits of the interval and divide the sum by 2:

(125 + 145) / 2 = 135

Therefore, the class mark of the class interval 125-145 is 135.

For more such questions on the class interval: https://brainly.in/question/32103041

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