Question

PLEASE HELP QUICKLY!!!

The table shows the weight of a dog in pounds at various ages in months.

What values should be entered for x and y into a regression calculator to find the equation of the trend line?
x: 3, 4, 6, 8, 9, 12
y: 2, 5, 7, 10, 11, 15

x: 3, 4, 6, 8, 9, 15
y: 2, 5, 7, 10, 11, 12

x: 2, 5, 7, 10, 11, 15
y: 3, 4, 6, 8, 9, 12

x: 2, 5, 7, 10, 11, 12
y: 3, 4, 6, 8, 9, 15

Answer 1

A. x: 3, 4, 6, 8, 9, 12 y: 2, 5, 7, 10, 11, 15

Explanation:

I took the test.

Answer 2

The Regression line is that line , which passes through all the points , through a single point , or none of the points.

Here, the table is about ,weight of a dog in pounds at various ages in months.

The ratio of Weight at different stages,of months should be proportional.

So, if you look at option (1) , the ratio of x to y in three cases are same that is

`(4)/(5)=(8)/(10)=(12)/(15)`

It means Regression line is Passing through three points, means Dog's weight at three different stages of month are same.and in other tables the ratio are not equivalent.

So, Table 1, that is option 1

is true.

x: 3, 4, 6, 8, 9, 12

y: 2, 5, 7, 10, 11, 15