The answer would be d
Explanation: the second numbers are both the same, therefore they would be in the same line, and 7-1=6, leaving 6 units between them, I hope this helps :)
Hey there!
Here's you your answer: D; 12.56
How i got it: *image attached*
Hope this helps!
They should use "Mean" in order to calculate <span>the measure of central tendency .
In short, Your Answer would be Option A
Hope this helps!</span>