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.
[Ans. Percentage of boys = 40%, 12 = 6.603]
xaw
TEL
Answers
Answered by
0
Answer:
3tyrt the sentence in the other hand the wildcats their oxide and the following ad me bhi aajadi ke liye kuch
Similar questions