Question

For what value of x, the mode of the following data is 7?
4, 8, 7,4,4,7,7,9, 2x - 5

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Answer 1

Answer:

2x -5=7

2x=7+5

2x= 12

x=6

Answer 2

Answer:we all now mode is the most accruing frequecy.Here, it is given that the mode is 7.So most Probably the value of x is 6.

Explanation :-Here, 4and7 occurs 3 times.We could the result as 4 when we substitute any value in 2x-5.But we could get the result as 7 if we substitute the value of 6 in 2x-5

(ie, 2*(6)-5=12-5=7).

Therefore x=6

Hope it helps you!!