The common difference is 12.
Answer:
see attached for sketch of Empirical Rule
Step-by-step explanation:
The Empirical Rule (also known is the "68-95-99.7" rule) states that nearly all of the data will fall within three standard deviations of the mean.
Answer:
8 x 40 = 320
9 ÷ 3
Step-by-step explanation:
Just add 12 to both sides leaving you with x = 56
..............................................
Answer:
36.576
Step-by-step explanation: