Question

Calista is using technology to find the least squares regression equation for the data in the table.

What number will she get for the y-intercept?

Round the answer to three decimal places.


Variable X 93 45 67 21 30 47 44 29
Variable Y 88 46 52 19 24 45 49 29


y-intercept:

Answer 1

@Directrix

Answer 2

@KamiBug

Answer 3

@mathstudent55

Answer 4

Use the online linear regression calculator.

Answer 5

http://www.mathportal.org/calculators/statistics-calculator/correlation-and-regression-calculator.php

Answer 6

please hold

Answer 7

Okay.

This is what I got.

Answer 8

I got y=1.838+0.897x

Answer 9

That is what I got. That means that the y-intercept is 1.838

Answer 10

Thanks