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oee [108]
3 years ago
5

Use the value of the linear correlation coefficient r to find the coefficient of determination and the percentage ofthe total va

riation that can be explained by the linear relationship between the two variables. r = 0.885 (x = weight of male, y = waist size of male)
Mathematics
1 answer:
Vikentia [17]3 years ago
4 0

Answer:

Step-by-step explanation:

The coefficient of determination = r^{2}  = 0.885^{2} = 0.7832

It means about 78% variation in waist size of males can be explained by their weight and about 23% can not be explained.

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Nadusha1986 [10]

Answer:  see below

<u>Step-by-step explanation:</u>

To find the frequency, simply count the number of leaves

Brisbane:

Stem      Leaf         Frequency

   0                                 0

   1                                  0

  2        8,6,5                  3

  3        5                         1

  4        8,8,4,2               4

  5        9,2,0,0               4

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  7        6,2,2,1,1,1,0,0      8

  8       9,9,9,8,2             5

Brisbane Graph:

\begin{array}{ccccccccc}&&&&&&&x&\\&&&&&&&x&\\&&&&&&x&x&\\&&&&&&x&x&x\\&&&&x&x&x&x&x\\&&x&&x&x&x&x&x\\&&x&&x&x&x&x&x\\&&x&x&x&x&x&x&x\\0&1&2&3&4&5&6&7&8\end{array}

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Parth Graph:

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4 years ago
In order to raise funds to attend upcoming competitions, the debate team is selling hot chocolate at a football game. They hope
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Answer:

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Step-by-step explanation:

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The debate team has to sell atleast 125 of the product to meet their goal.

<em>Hope this helped! Have a good day.</em>

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Answer:

Step-by-step explanation:

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antiseptic1488 [7]

Answer:

Let X the random variable of interest "number of cars with side airbags among the next 4", on this case we now that:

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nCx=\frac{n!}{(n-x)! x!}

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With X=0,1,2,3,4

Step-by-step explanation:

Previous concepts

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Solution to the problem

Let X the random variable of interest "number of cars with side airbags among the next 4", on this case we now that:

X \sim Binom(n=4, p=0.5)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

And the distribution is given by:

P(X)= (4CX) (0.5)^x (1-0.5)^{4-x}

With X=0,1,2,3,4

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3 years ago
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