If the arithmetic mean of the following data is 7, then a+b= \x_{i} 4 6 7 9 \f_{i} a 4 b 5

Correct Answer is : cannot be determined

AMU Engineering 2020 solved paper Solved Paper

Section: Mathematics

Question : 138 of 150

Marks: +1, -0

If the arithmetic mean of the following data is 7, then a+b=

xi	4	6	7	9
fi	a	4	b	5

Go to Question:

Prev Question

Next Question