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Mean & Median of Ungrouped Data and Frequency Polygon — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSMean & Median of Ungrouped Data and Frequency Polygon3 Marks
Question
Using the assumed mean method, calculate the mean weekly wage from the following frequency distribution :
Weekly wages (in ₹)950100010501100125015001600
Number of workers2418131520119
✓

Answer

₹ 1153.18

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