- A81
- B90
- C99
- D180
Step-by-Step Solution
Last class upper limit = first lower limit + 6 width .
Answer: B) 90
A frequency distribution has 6 classes each of width 12, and the lower limit of the first class is 18.
What is the upper limit of the last (sixth) class?
Class 9Collection and Presentation of DataStatistics and Probability
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