- ACorrect; class size is 8
- BWrong; class size is 4
- CCorrect; class size is 4
- DWrong; class size is 8
Step-by-Step Solution
Class size = 30 - 22 = 8. First class = 22 +/- 4 = 18 to 26, so 18-26 is correct.
Answer: A) Correct; class size is 8
The class marks of a continuous distribution are 22, 30, 38, 46, 54.
A student claims the first class is 18-26. Is the student correct, and what is the class size?
Class 9Frequency PolygonsStatistics and Probability
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