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Grace [21]
4 years ago
12

Define correlation coefficient​

Mathematics
2 answers:
nadezda [96]4 years ago
6 0

Answer:

A correlation coefficient is a numerical measure of some type of correlation, meaning a statistical relationship between two variables. The variables may be two columns of a given data set of observations, often called a sample, or two components of a multivariate random variable with a known distribution.

Vlad1618 [11]4 years ago
5 0
Correlation coefficient is the relationship between two sets of variables used to describe or predict information.
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Chloe earned a grade $11 on her multiple choice math final that had a
Vladimir [108]

If she answered all then she would have gotten 179 wrong. If I understand 200 questions and 11% on the test then 179 wrong and 21 right. So if you are asking how many she did not answer I would assume the questions she got wrong were the questions she did not answer which would be 179.

4 0
3 years ago
I need help with congruence and similarity problem. ( picture below)
adell [148]

Answer:

x = 9, y = 4 and z = 6.67

Step-by-step explanation:

Since both the polygons are similar, by the property of similarity corresponding sides of the polygons will be proportional.

Therefore, \frac{x}{6}=\frac{12}{8}

x = \frac{12\times 6}{8}

x = 9

Similarly, \frac{10}{z}=\frac{12}{8}

z = \frac{10\times 8}{12}

z = \frac{20}{3} = 6.67

And \frac{6}{y}=\frac{12}{8}

y = \frac{8\times 6}{12}

y = 4

Therefore, x = 9, y = 4 and z = 6.67 will be the values.

7 0
4 years ago
Will the measurements represent the side lengths of a right triangle?
sleet_krkn [62]
Yes it will, 6cm and 17.5
4 0
3 years ago
Ea+ec=5.40, ec*2=s,ea/2=s<br><br> What is Ec?
alexandr402 [8]
I have no idea I am only in  Middle School

3 0
3 years ago
How many solutions does the equation 3x-10(x+2)=13-7x
Alex Ar [27]

Answer:

No solution

Step-by-step explanation:

1. Multiply the parenthesis by -10

2. Collect like terms

3. Cancel equal terms

4. You're left with -20=13, which is false. There is no solution.

4 0
3 years ago
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