Mathematics · Statistics
Let B be the lower-class boundary of a class in a frequency distribution and x be the class mark (midpoint) of the class. Then the upper-class boundary of the class is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x - 2B
- 2B + x + B2
- 32x - B✓
- 4x - x + B2
Correct answer
2x - B
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