PRC-2 · Chapter 7 · Question 7 of 60
Given the class interval '40 - 49' in a continuous dataset, what is the exact midpoint (class mark)?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) 44.5
Explanation
The class mark (midpoint) is calculated by adding the lower limit and upper limit, then dividing by two. (40 + 49) / 2 = 89 / 2 = 44.5.
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