Ask Question
17 July, 00:39

In a class of 32 students

the mean height of 14 boys is 1.56

the mean height of all 32 students is 1.515

work out the mean height of the girls

+3
Answers (1)
  1. 17 July, 00:52
    0
    Number of girls = 32 - 14 = 18

    Total height of all the 32 students = 1.515 x 32 = 48.48

    Total height of the 14 boys = 14 x 1.56 = 21.84

    Total height of the 18 girls = 48.48 - 21.84 = 26.64

    Mean height of the 18 girls = 16.84 : 18 = 1.48

    Answer: 1.48
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “In a class of 32 students the mean height of 14 boys is 1.56 the mean height of all 32 students is 1.515 work out the mean height of the ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers