Question
Calculate Mean, Median and Mode for the following data.
| Class Interval | 10–14 | 15–19 | 20–24 | 25–29 | 30–34 | 35–39 | 40–45 |
|---|---|---|---|---|---|---|---|
| Frequency | 6 | 8 | 10 | 12 | 8 | 5 | 3 |
Answer :
Word Count : 249
Total frequency (N) = 6 + 8 + 10 + 12 + 8 + 5 + 3 = 52 Mean: Class midpoints (xi): 12, 17, 22, 27, 32, 37, 42.5 Σfx = (12×6) + (17×8) + (22×10) + (27×12) + (32×8) + (37×5) + (42.5×3) = 72 + 136 __________ _________ ________ ______ ____ _______ ___ ______ __________ _______ ___ _____.
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Total frequency (N) = 6 + 8 + 10 + 12 + 8 + 5 + 3 = 52 Mean: Class midpoints (xi): 12, 17, 22, 27, 32, 37, 42.5 Σfx = (12×6) + (17×8) + (22×10) + (27×12) + (32×8) + (37×5) + (42.5×3) = 72 + 136 __________ _________ ________ ______ ____ _______ ___ ______ __________ _______ ___ _____.
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