3 The mean height of the students in a class is 152 cm. The mean height of boys is 158 cm
with a standard deviation of 5 cm. And the mean height of girls is 148 cm with a standard
deviation of 4 cm. Find the percentage of boys in the class and also the S.D of heights of all
the students in the class.
Answers
Answered by
1
Answer:
dont know............
Similar questions