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Marysya12 [62]
3 years ago
14

Write 2/3 and 3/4 as equivalent fractions using a common denominator

Mathematics
2 answers:
Arlecino [84]3 years ago
5 0
8/12 and 9/12. Respectively.
makvit [3.9K]3 years ago
3 0
8/9 and 9/12 respectively I think
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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

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2 years ago
1.your aswer:
lutik1710 [3]

Answer:

Tess is correct

Step-by-step explanation:

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Divide ₹ 60 in the ratio 1 : 2 between Kriti and Kiran.​
erica [24]

Answer:

Step-by-step explanation:

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What is 212 dived by 9
valkas [14]

Answer:

23.55

Step-by-step explanation:

The answer is actually a repeating decimal with an infinite amount of 5s but you only really need to show 2 or 3 to show that it's repeating

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Please help me out if appreciate it :)
12345 [234]

Answer:

51

Step-by-step explanation:

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