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sammy [17]
2 years ago
7

What is a correlation coefficient?

Mathematics
2 answers:
kogti [31]2 years ago
8 0

A correlation coefficient is a number that indicates the direction in closeness of points of a line of best fit.

So it tells us the direction of the line of best fit and it tells us the closeness to the points of the line of best fit.

Ivan2 years ago
6 0

Answer:

a number between −1 and +1 calculated so as to represent the linear dependence of two variables or sets of data.

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How to do this question
navik [9.2K]

Answer:

3

Step-by-step explanation:

by looking at the table, see when f(x)=0.

you can see that when f(x)=0 x=3

3 0
3 years ago
A pair of skis were $275 but were on sale for $195. What percent reduction is this?
Stels [109]

$275*x%=195

It will be a 29% reduction. But it will not have the exact cost of $195


7 0
3 years ago
The population of California is approximately 38,040,000. The population of Texas is about 2.606 × 10^7. What is the approximate
ivann1987 [24]
With scientific notation remember this rule; if the exponent is positive, move the decimal point that many places to the right. If it is negative move it that many places to the left. What that will do is make the number larger or smaller to the correct value.
 
So for example, if you had to solve 1.02 x 10^4 you would move the decimal four places to the right. So you would end up with 10200. 
As another example if you had to solve 1.02 x 10^-2 you would move the decimal two places to the left. That would give you .0120. 

So now we are onto your problem. 2.606 x 10^7.
You would move the decimal seven places to the right, because the exponent is positive, that will make your number larger(which would make more sense if you were adding populations, right?).
That would give you 26,060,000 people living in Texas.
From there simply add the two populations together and you will have your answer! 
6 0
2 years ago
Read 2 more answers
How does the graph of y = 3–x compare to the graph of
DerKrebs [107]

Answer: the line is no longer linear

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
An exterior angle of an isosceles triangle has measure 130°. Find two possible sets of measures for the angles of the triangle.
frozen [14]
(1) it can be both exterior of vertex or base. 180-130=50°
vertex is 50°:     base=(180-50)/2=65°
base is 50°:       vertex= 180-2*50=80°

vertex 50 base 65; vertex 80, base 50

(2)base=180-130=50°
vertex=180-2*50=80°

base 50 vertex 80
5 0
2 years ago
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