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CBSE Class 7 Answered

how to find mean and median of fractions and decimals?
Asked by dipalidhorajiya1983 | 15 Jul, 2018, 04:26: PM
answered-by-expert Expert Answer
begin mathsize 16px style Mean space and space Median
1. space Mean space of space Decimals colon space Add space all space the space decimals space and space divide space it space by space number space of space observations.
2. space Mean space of space Fractions space colon space Add space all space the space fractions left parenthesis with space same space denominators comma space if space not space make space it space same space by space takni space straight L. straight C. straight M right parenthesis space and space divide space it space by space number space of space observations.
3. space Mean space of space Fractions space and space Decimals colon
straight i. space Arrande space the space data space in space ascending space order. left parenthesis space in space case space of space fractions space the space denominators space must space be space comma space if space not space make space it space same space by space takni space straight L. straight C. straight M right parenthesis
ii. space If space number space of space observations space are space odd space then space middle space number space is space the space Median.
iii. If space number space of space observations space are space even space then space add space middle space two space numbers space and space divide space it space by space 2 comma space the space result space is space the space Median. end style
Answered by Yasmeen Khan | 17 Jul, 2018, 12:43: PM
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