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PolarNik [594]
3 years ago
11

Which of the following r-values represents the strongest correlation?

Mathematics
2 answers:
borishaifa [10]3 years ago
7 0
The correct answer is B
earnstyle [38]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Solution:-

- Correlation defines the relationship between two variables.

- The correlation coefficient (r) defines the strength/intensity as to how strong or weak the correlation is between the variables under consideration. The sign either ( + or - ) defines the nature of relationship between variables.

+ : positive relationship. ( if one increases the other variable also increases )

- : Negative relationship. ( if one increases the other variable decreases )

- The range of the correlation coefficient (r) is:

                                         -1 < r < 1

Where, 1 : Strongest positive relationship

           -1 : Strongest negative relationship

            0 : No relationship.

- So the strongest relationship in positive domain only is given by the largest value of (r). In this case it is r = 0.92.  

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For every 5 pages in a book Fred reads, Lonnie reads 4 pages. In 1 hour, they read a combined total of 36 pages. How many pages
nydimaria [60]

Answer:

Hence the number of pages read by Lonnie is 16 pages when they read a combined of 36 pages.

Step-by-step explanation:

The table that can be formed by the rate at which they study the number of pages of a book is:

Fred     Lonnie       total

 5           4                9

 10          8               18

 15          12              27

 20         16              36

That means when they read a combined of 36 pages.

Then the number of pages read by Fred is 20 pages.

and the number of pages read by Lonnie is 16 pages.

(

Also it could be done as :

Let Fred reads 'x' pages.

so, the number of pages read by Lonnie is: (4/5)x

Hence,

x+(4/5)x=36

on solving this linear equation we have:

x=20

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)

Hence the number of pages read by Lonnie is 16 pages when they read a combined of 36 pages.

3 0
3 years ago
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