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ELEN [110]
2 years ago
12

The correlation coefficient describes the degree of ________ between two _________ variables. Multiple choice question. linearit

y; qualitative nonlinearity; qualitative linearity; quantitative nonlinearity; quantitative
Mathematics
1 answer:
S_A_V [24]2 years ago
3 0

The correlation coefficient is defined as the degree of <u>linearity</u> between two <u>quantitative</u><u> </u> variables.

<h3>What is Correlation Coefficient</h3>

Th association between two quantitative variables is measured by the correlation coefficient.

Thus, correlation coefficient, r, which ranges from 1 to -1, it shows the strength of linear association between two random variables that are normally distributed.

In summary, the correlation coefficient is defined as the degree of <u>linearity</u> between two <u>quantitative</u><u> </u> variables.

Learn more about correlation coefficient on:

brainly.com/question/4219149

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Alex wants to arrange chairs in such a way that the number of chairs in a row is equal to the number of columns. He has ordered
PIT_PIT [208]

Answer:

84

59

Step-by-step explanation:

In other to have the same number of chayes in both rows and columns ;

If the Number of chairs per row = x ; then number of chairs per column = x

Then the total number of chairs needed = x * x = x²

Hence, if there are 5100 chairs ;

Number of chairs needed more ;

Take the square root of 5100 ;the round to the next whole number :

B.) For number of chairs to be removed ;

Take the square root of 5100 and round down to the whole number.

Hence,

A.) = √5100 = 71.414 = 72

72² - 5100 = 84

B.) 5100 = 71.414 = 71

5100 - 71² =

8 0
2 years ago
X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to
Cerrena [4.2K]

Answer:

7

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

.

P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

μ = 7

5 0
3 years ago
Answer the question below.
gregori [183]

Answer:

1/3

Step-by-step explanation:

4 0
3 years ago
Help, Solve for y 7=35y
Lapatulllka [165]

Answer:

0.2 = y

Step-by-step explanation: You have to isolate y

<u> 7 = 35y</u>

35    35

0.2 = y


RECHECK:

7 = 35y

7 = 35(0.2)

7 = 7

YES, this is a true statement.


Hope this helps you!!! :)


4 0
3 years ago
the net of the rectangular prism is shown below. use a ruler to measure the dimensions of the net to the nearest half centimeter
Arte-miy333 [17]

Answer:

the answer is D.  40.5 cm

8 0
3 years ago
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