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viva [34]
3 years ago
12

Do anyone know how to do this

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
8 0
I have the same book what page is it
Roman55 [17]3 years ago
3 0
You use the formula bxwxh I believe
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5. Rounded to three decimal places, what is the value of r for this data set?
IrinaVladis [17]

The value of correlation coefficient (r) for the dataset is 0.981

<h3>What is correlation coefficient (r)?</h3>

The correlation coefficient (r) is used to determine the closeness and association of a scatter plot points.

The dataset is given as:

  • x: 8  15  3  7  2  14
  • y: 15  21  6  12  3  20

Using a graphing calculator, we have the following parameters:

<h3>X Values </h3>
  • ∑x = 49
  • Mean = 8.167
  • ∑(X - Mx)2 = SSx = 146.833

<h3>Y Values </h3>
  • ∑y = 77
  • Mean = 12.833
  • ∑(Y - My)2 = SSy = 266.833

<h3>X and Y Combined </h3>
  • N = 6
  • ∑(X - Mx)(Y - My) = 194.167

The correlation coefficient (r) is then calculated as:

r = \frac{\sum{((x - My)(Y - Mx)) }}{ \sqrt{((SSx)(SSy))}}

This gives

r = \frac{194.167 }{ \sqrt{((146.833)(266.833))}}\\

r = 0.9809

Approximate

r = 0.981

Hence, the value of correlation coefficient (r) for the dataset is 0.981

Read more about correlation coefficient at:

brainly.com/question/4219149

3 0
2 years ago
12/4 irrational or rational number
kakasveta [241]
<span>12/4 irrational or rational number
is a irrational number </span>
7 0
3 years ago
Help me pleaseeeeeeeeeeeeee
gavmur [86]

Answer:

68/35 hope this helps

Step-by-step explanation:

5 0
3 years ago
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Somebody please help it would be much appreciated.
Sav [38]

Answer:

25

Step-by-step explanation:

as you can see test a is further away from the ruler you have to put it at 0 so that you can get your answer I am not sure if it's correct or not

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3 years ago
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How many solutions does a system of equations have when solving results in the statement 3 = 5?
blagie [28]
There would be no solutions
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3 years ago
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