Question

I need to find the slope and line of best fit x 2,3,3,4,5,5,6 y 6,5,7,7,7,9,8,

I need to find the slope and line of best fit

x

2,3,3,4,5,5,6

y

6,5,7,7,7,9,8,

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

line of best y=a+bx

b : slope

a: intercept

n: Number pairs of observations = 7

x y xy x2
2 6 12 4
3 5 15 9
3 7 21 9
4 7 28 16
5 7 35 25
5 9 45 25
6 8 48 36

b: slope = 0.6667

a: intercept = 4.3333

Line of best fit :

y=4.3333 + 0.6667y

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