salahss1 salahss1
  • 08-06-2019
  • Mathematics
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Calculate the mean of the height of all the students

Calculate the mean of the height of all the students class=

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sabahs sabahs
  • 08-06-2019
x/20=151 for boys
y/12=148. for girls

x+y/32=mean height of all students.

(20*151+12*148)/32=mean

Mean=149.875cm
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