HELP On a test rn Find the sample standard deviation and the population standard deviation of the data set.
68, 56, 43, 60, 70, 75, 72, 45, 54, 51, 59, 45, 47, 82, 46
a.
S = 12.55
S = 12.13
O= 12.13
= 12.55
b.
d.
S = 3.13
S = 3.24
= 3.24
A=3.13

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.

step-by-step explanation:

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step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96