The variance for the sample is 25
For given question,
We have been given the sample size n = 21
and the sum of squares is SS = 500
We need to find the variance for the sample.
We know that the variance is mathematically represented as,

Substituting given values in the above formula,

= 500 / 20
= 25
So, the variance is 25
Therefore, the variance for the sample is 25
Learn more about the variance here:
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Isolate the x. Note the equal sign. What you do to one side, you do to the other.
Subtract 8 from both sides
x + 8 (-8) = -2 (-8)
x = -2 - 8
Combine
x = -10
-10 is your answer for x
hope this helps
Answer:
His father spent eight seasons playing in the NBA and an additional eight years playing professional basketball
Step-by-step explanation:
Angle 4,5, and 8 are equivalent to 100 degree<span />
Four more than (4+) the product of 23 and gregs height (23 times greg's height)
greg's height will be represented by g
4+23g
23g means 23 times g same as 23(g)