Calculate Average Change: Adding 7 to Sequence (7,7,7,7)

Look at the following numbers:

$7,7,7,7$

If the number 7 is added to the group, how will the average change?

To solve this problem, let's calculate the average of the numbers before and after introducing an additional $7$ .

Initially, we have four numbers: $7, 7, 7, 7$ .

Now, we add another $7$ to the group, resulting in five numbers: $7, 7, 7, 7, 7$ .

Both the initial average and the new average are $7$ . Therefore, the average remains unchanged.

Based on this analysis, the correct choice is:

It will remain the same.

Therefore, the solution to the problem is it will remain the same..

It will remain the same.

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