Add all the x up and then you add all the ones that doesn't have an x then divide those 2 together.
×=46
54
Answer:
D. 13 1/2
Step-by-step explanation:
2/3 x -2 = 7
2/3 x -2 + 2 = 7 + 2
2/3 x = 9
x = 9 (3/2)
x = 27/2
x = 13 1/2
Answer:
c
Step-by-step explanation:
i choose (c) because that the answer
First, find the mean. You'll need it to compute the variance.

The variance of the sample is then computed with the formula

The standard deviation is the square root of the variance, so
Answer:
1006.72
Step-by-step explanation:
Multiply 9.68 by 104