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4 years ago

List the correlation coefficients in order from least to greatest: 0.79,-0.43,-0.4,0.82,0.08

Mathematics

2 answers:

Mars2501 [29]4 years ago

6 0

-0.43,-0.4,0.08,0.79,0.82

mario62 [17]4 years ago

6 0

Answer:

0.08, -0.4, -0.43, 0.79 and 0.82

Step-by-step explanation:

The Correlation Coefficient tell the strength and direction of the variables

The Correlation is said to be week if its value lie between -0.5 to 0.5 as it is closer to zero.

And the negative and positive value of correlation coefficient tells the direction of both variables.

Thus the order of Correlation Coefficient from least to greatest is: 0.08, -0.4, -0.43, 0.79 and 0.82.

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3 years ago

Read 2 more answers

One man is three times as old as another. Fifteen years ago the first was six times as old as the second. Find their ages now.

alex41 [277]

Answer:

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Step-by-step explanation:

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3 years ago

last week mrs. kitts sold 6 more than 3 times that the sold this week. she sold over 110 cds over the 2 weeks. which systems of

ladessa [460]

Answer:

The system of equations are:

$y=3x+6\\x+y=110$

CDs sold this week is 26 and that of last week is 84.

Step-by-step explanation:

Let the number of CDs sold this week be $x$ and last week be $y$

Given:

CDs sold last week = 6 more than 3 times she sold this week

∴ $y = 3x+6$ ------------- 1

Also, total number of CDs sold are 110.

∴ $x+y=110$ ------------ 2

Therefore, the above two equations are systems of equations that can be used to find the number of CDs she sold last week and the number of CDs she sold this week.

Now, in order to solve, we plug in the value of $y$ from equation (1) in equation (2). This gives,

$x+(3x+6)=110\\x+3x+6=110\\4x+6=110\\4x=110-6\\4x=104\\x=26$