in a group of 10 students, there are 4 boys and 6 girls . the mean height of the boys is 1.5 m and the mean height of girls is 1.4 m. find the mean height of 10 students
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Let the 10students be 4boys and 6girls
Using mean
ormula that is Sum of observations / No of observation
10/2
=5
Using mean
ormula that is Sum of observations / No of observation
10/2
=5
mercy2:
its not the correct answer
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