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Chapter is data handling class 7 |
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Answer» -STEP explanation:1. Highest number is 9 and LOWEST number is 1 2. mean = sum of observation/ number of observation=1*1+2*2+3*1+4*3+5*5+6*4+7*2+8*1+9*1/20=1+4+3+12+25+24+14+8+9/20=8+12+49+14+17/20=100/20=10/2=5mean=5 |
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