It is 22 because
180°-(68+90) = 22
Answer:
y
=
m
x
+
b
in order to solve for
b
. Then, plug in known values.
y
=
0.6
x
+
0.6
Step-by-step explanation:
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75,000
80,000 - 70,000 = 10,000
10,000 / 2 = 5,000
70,000 + 5,000 = 75,000
75,000 is halfway between 70,000 and 80,000
Answer:
Step-by-step explanation:
Given
Required
The sample mean and the sample variance
First, calculate the midpoints
And so on...
So, the table becomes:
So, the sample mean is:
The sample variance is: