Mean of 20 no. is 100. 2 no. are misread instead of 36&48. we read 16&42. find correct mean.
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Step-by-step explanation:
let the sum leaving 16 and 42 be X
so
x+16+42/20=100
x+58=2000
x=1942
correct mean=1942+36+48/20
2026/20
=1013/10
=101.3
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