शाळेतील पहिली ते सातवीच्या वर्गात अनुक्रमे
30,22,25,28,31,20 आणि 26 अशी मुले
असल्यास वर्गात सरासरी किती मुले आहेत?
1 28
2 23
3 29
4 26
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Answer: शाळेतील पहिली ते सातवीच्या वर्गात अनुक्रमे 30,22,25,28,31,20 आणि 26
1st to 7th class of the school children 30,22,25,28,31,20 and 26 respectively
To Find : वर्गात सरासरी किती मुले
average number of children in the class
1 28
2 23
3 29
4 26
Solution:
∑x = ( 30 + 22 + 25 + 28 + 31 + 20 + 26)
= 182
n = 7
Mean = 26
वर्गात सरासरी 26 मुले
average number of children in the class = 26
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