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Common Core: 8.SP

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Line of Best Fit 5

Grade 8 · Scatter Plots · 10 problems

Directions: Use the data display to answer each question.

1.
Item 1
24
Item 2
24
Item 3
27
Item 4
28
Item 5
28
Item 6
32
Item 7
43
Item 8
44
Item 9
46
Item 10
48

Find the mean of: 24, 24, 27, 28, 28, 32, 43, 44, 46, 48

2.
Item 1
1
Item 2
5
Item 3
17
Item 4
20
Item 5
21
Item 6
21
Item 7
34
Item 8
38
Item 9
42
Item 10
49

Find the mean of: 1, 5, 17, 20, 21, 21, 34, 38, 42, 49

3.
Item 1
3
Item 2
7
Item 3
12
Item 4
14
Item 5
16
Item 6
19
Item 7
27
Item 8
29
Item 9
36
Item 10
41

Find the mean of: 3, 7, 12, 14, 16, 19, 27, 29, 36, 41

4.
Item 1
4
Item 2
4
Item 3
7
Item 4
7
Item 5
16
Item 6
19
Item 7
26
Item 8
38
Item 9
40
Item 10
46

Find the mean of: 4, 4, 7, 7, 16, 19, 26, 38, 40, 46

5.
Item 1
1
Item 2
9
Item 3
10
Item 4
13
Item 5
30
Item 6
36
Item 7
37
Item 8
39
Item 9
40
Item 10
45

Find the mean of: 1, 9, 10, 13, 30, 36, 37, 39, 40, 45

6.
Item 1
7
Item 2
11
Item 3
13
Item 4
26
Item 5
37
Item 6
38
Item 7
42
Item 8
43
Item 9
47
Item 10
49

Find the mean of: 7, 11, 13, 26, 37, 38, 42, 43, 47, 49

7.
Item 1
8
Item 2
9
Item 3
16
Item 4
16
Item 5
29
Item 6
33
Item 7
36
Item 8
37
Item 9
39
Item 10
44

Find the mean of: 8, 9, 16, 16, 29, 33, 36, 37, 39, 44

8.
Item 1
6
Item 2
6
Item 3
10
Item 4
19
Item 5
19
Item 6
21
Item 7
29
Item 8
30
Item 9
37
Item 10
46

Find the mean of: 6, 6, 10, 19, 19, 21, 29, 30, 37, 46

9.
Item 1
3
Item 2
13
Item 3
20
Item 4
22
Item 5
23
Item 6
30
Item 7
36
Item 8
36
Item 9
45
Item 10
47

Find the mean of: 3, 13, 20, 22, 23, 30, 36, 36, 45, 47

10.
Item 1
5
Item 2
10
Item 3
13
Item 4
16
Item 5
25
Item 6
35
Item 7
35
Item 8
41
Item 9
49
Item 10
49

Find the mean of: 5, 10, 13, 16, 25, 35, 35, 41, 49, 49

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