Question

VOCABULARY
1. Estimating a value between two known values in a data set is called _____
2. The slope of a line models the ____ of a function
3. The form of a linear equation that shows the slope and one point is the _____
4. Two lines are perpendicular when slopes are ___
5. That line that most accurately models data in a scatter plot is the _____

Answer 1

1. taking an average
2. rate of increase/decrease (the tangent)
3. y-intercept form (like y = mx + b, where m is the slope and b is a point known as the y intercept)
4. the opposite reciprocal of each other (like 1/2 and -2)
5. least squares regression line (best fit line). you learn about this in intro statistics courses.

Answer 2

1. extrapolation

Answer 3

average is not estimation, it is an exact value lying midway between two known values...

Answer 4

extrapolation is estimating a point that is not inbetween the points... i think what you meant is interpolation

Answer 5

but yes my bad haha for saying average.

Answer 6

thanks for correcting me amanda.......
its, 3am in my country and i am feeling sleepy n the brain is not working as it shud......it told me that it was some "polation"........☺☻

Answer 7

thanks for correcting me as well! two brains is better than one.
if it is 3am in your country you should sleep :P