Question

A survey regarding the heights in (cm) of 51 girls of class X of a school was

conducted and the following data was obtained. Find the median height and

the mean using the formulae.



Height (in cm) Number of Girls

Less than 140 4

Less than 145 11

Less than 150 29

Less than 155 40

Less than 160 46

Less than 165 51​

Answer 1

Answer:

Books give plenty of joy to students, and they learn a lot of things from books. They take them into a unique world of imagination and improve their standard of living. Books help to inspire students to do hard work with courage and hope. They enrich the experience of students and sharpen their intellect.Books give plenty of joy to students, and they learn a lot of things from books. They take them into a unique world of imagination and improve their standard of living. Books help to inspire students to do hard work with courage and hope. They enrich the experience of students and sharpen their intellect.