Еxample: The marks secured by some students of a class are given below. Calculate the harmonic mean. Marks 20 21 22 23 24 25 Number of 4 2 7 1 3 1 student


Еxample:<br>The marks secured by some students of a class are given below. Calculate the<br>harmonic mean.<br>Marks<br>20<br>21<br>22<br>23<br>24<br>25<br>Number of<br>4<br>2<br>7<br>1<br>3<br>1<br>student<br>

Extracted text: Еxample: The marks secured by some students of a class are given below. Calculate the harmonic mean. Marks 20 21 22 23 24 25 Number of 4 2 7 1 3 1 student
Ехаmple:<br>Following is the distribution of persons according to different income groups,<br>calculate the mean.<br>Income<br>0-10 10-20<br>20-30<br>30-40<br>40-50<br>50-60<br>60-70<br>Number of<br>6<br>8<br>10<br>12<br>7<br>4<br>3<br>persons<br>

Extracted text: Ехаmple: Following is the distribution of persons according to different income groups, calculate the mean. Income 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Number of 6 8 10 12 7 4 3 persons

Jun 06, 2022
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