cantudamii345 cantudamii345
  • 19-11-2018
  • Mathematics
contestada

The following tables gives the height and weight of 10 friends what is the correlation coefficient for the data?

The following tables gives the height and weight of 10 friends what is the correlation coefficient for the data class=

Respuesta :

FelisFelis FelisFelis
  • 28-11-2018

Answer:

0.673 or 0.67

Step-by-step explanation:

To calculate correlation coefficient of the data. We can use the following formula.

[tex]r=\frac{\sum_{i}(x_i-\bar{x})(y_i-\bar{y})}{\sqrt{\sum_{i}(x_i-\bar{x})^2}\sqrt{\sum_{i}(y_i-\bar{y})^2} }[/tex]

Here 'x' represents the height and 'y' represents the weight.

Finding the individual values and putting them into the equation above we get,

r = 0.673

Therefore, the correlation coefficient of the given data is 0.673 or 0.67 (rounded to the nearest hundredth).

Answer Link

Otras preguntas

What characteristics of life do bacteria have?
One number is two less than a second number. If you take one-half of the first number and increase it by the second number, the result is at least 41. Find the
Which type of poem has rhyme as one of its identifying characteristics?
jonah is planting a rectangular garden the perimeter of the garden is 120 yards and the width is 20 yards what is the length of the garden what is an algebraic
mrs. cohen has 427 buttons. she uses 195 buttons to make puppets. how many buttons does mrs. cohen have left
X^2 times 4x-x times 4x
describe where absolute value applies to the real world?
The distance of the line 2x-3y=4 from the point(1,1) in the direction of the line x y=1 is
how to factorise completely 8y-12ty
Write an essay (at least 3 paragraphs) about women in the 1960s.