Bookmark and Share

Lines of Best Fit

This topic covers the concept of finding lines of best-fit from a given set of values, including some word problems.
Practice Question
1

Plot the data and find a line of best fit.

x

2

3

5

1

7

4

6

y

6

8

11

4

14

8

12
 
Possible Answers
Your Answer
Correct Answer
A)

y = 1.66x + 1.64
B)

y = 1.66x + 2.36
C)

y = -1.66x - 1.64
D)

y = -1.66x + 2.36
Practice Question
2

Plot the data and find the line of best-fit.

x

20

80

30

50

110

60

90

y

13

75

20

40

100

54

82
 
Possible Answers
Your Answer
Correct Answer
A)

y = x - 8
B)

y = x + 8
C)

y = -x – 8
D)

y = -x + 8
Other Resources
View all concepts
Smartest Way to Practice Math
TenMarks is the smartest way to practice and learn math online. Experience our interactive worksheets that engage students.
Personalized program, mapped to state standards
Interactive worksheets with hints and video lessons
Rewards and certificates motivate students
Only $10 a month
TenMarks - Experience