Question

4. Write the formula for class mark​

Answer 1

Answer:

Example problem: Find the midpoint for class limits of 180 & 199. The average of the class limits is (180 + 199) / 2 = 189.5. This is your midpoint. You might see the class mark defined as the average of the class boundaries as well.

Step-by-step explanation:

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Answer 2

$\frac{upper \: limit \: + \: lower \: limit }{2}$