If the variance of a variable is 169, what is the standard deviation
2 answers:
Answer:
The standard deviation of the variable is 13.
Step-by-step explanation:
Standard Deviation-
Standard deviation is a measure of how spread out or dispersed the numbers are.
Variance-
Variance is the average of the squared differences from the mean.
Square root of variance is standard deviation.
As given, the variance of a variable is 169, hence its standard deviation will be,
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Answer:
Corresponding point to (2,8) along -3/4 f(x) = ( -1.5 , -6 )
Explanation:
When a graph f(x) is multiplied by a factor k, the points on the graph also changes by (kx, ky).
Here it is given that (2,8) is on the graph of f(x)
Now we need to find corresponding point to (2,8) along -3/4 f(x)
x - coordinate =
y - coordinate =
So corresponding point to (2,8) along -3/4 f(x) = ( -1.5 , -6 )