1.

1. Marks obtained by 9 students are given below:-60, 67,52, 76,50, 51, 74, 45 and 46a. Find the Arithmetic meanb. If Marks of each student be increased by 4, what will be the new value of Arithmetic mean.2. Find the mean of :-30-4040-50​

Answer»

ANSWER:

mean=60+67+52+76+50+51+74+45+46



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