What is the scale factor of the dilation
2 answers:
Answer:
Option A.
Step-by-step explanation:
Since in the given figure, ΔS'T'V' is dilated by the origin to form ΔSTV therefore, both the triangles will be similar.
By the property of similar triangles corresponding side of the triangles will be in the same ratio.
Scale factor = ratio of corresponding sides =
Scale factor of dilation =
Option A. is the answer.
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The determined value of mean µ is 1.3 and variance σ² is 0.81.
What is mean and variance?
- A measurement of central dispersion is the mean and variance. The average of a group of numbers is known as the mean.
- The variance is calculated as the square root of the variance.
- We can determine how the data we are collecting for observation are dispersed and distributed by looking at central dispersion.
The table is attached as an image for reference.
Mean µ = ∑X P(X)
µ = 1.3
Variance (σ² ) = ∑ X² P(X)- (µ)²
= 2.5-(1.3)²
(σ² ) = 0.81
The determined value of mean µ is 1.3 and variance σ² is 0.81.
Learn more about mean and variance here:
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