Question

The class marks of a distribution are 105, 115, 125, 135, 145, 155, 165, 175. Determine the class size and class limits.​

Answer 1

the class size is 200 of marks distribution

Step-by-step explanation:

the class size is 200 of marks distribution is 200

Total distribution limit is 200

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Answer 2

The class size is 10 and the class limits are 100-110,110-120,120-130,130-140, 140-150,150-160, 160-170, 170-180.

Step-by-step explanation:

Since we have given that

105, 115, 125, 135, 145, 155, 165, 175

So, class size would be

$115-105=10=135-125$

And for class limits:

Lower limit would be

$105-\dfrac{10}{2}=105-5=100$

Upper limit would be

$105+\dfrac{10}{2}=105+5=110$

Hence, the class size is 10 and the class limits are 100-110,110-120,120-130,130-140, 140-150,150-160, 160-170, 170-180.

# learn more:

Class mark of the distributions are105 115 125 135 145 155 165 175 find the class size and class limits

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