Common Core: 7.SP
Answer Key
Grade 7statisticsEasy

Making Inferences 5

Master inferences

10 problems

1.
Item 1
2
Item 2
14
Item 3
14
Item 4
14
Item 5
20
Item 6
24
Item 7
25

Find the mean of: 2, 14, 14, 14, 20, 24, 25

2.
Item 1
1
Item 2
3
Item 3
13
Item 4
15
Item 5
15
Item 6
19
Item 7
29

Find the mean of: 1, 3, 13, 15, 15, 19, 29

3.
Item 1
4
Item 2
7
Item 3
10
Item 4
11
Item 5
13
Item 6
16
Item 7
17

Find the mean of: 4, 7, 10, 11, 13, 16, 17

4.
Item 1
2
Item 2
5
Item 3
6
Item 4
7
Item 5
10
Item 6
13
Item 7
19

Find the mean of: 2, 5, 6, 7, 10, 13, 19

5.
Item 1
1
Item 2
1
Item 3
7
Item 4
8
Item 5
17
Item 6
20
Item 7
21

Find the mean of: 1, 1, 7, 8, 17, 20, 21

6.
Item 1
4
Item 2
7
Item 3
8
Item 4
23
Item 5
24
Item 6
25
Item 7
26

Find the mean of: 4, 7, 8, 23, 24, 25, 26

7.
Item 1
3
Item 2
5
Item 3
9
Item 4
18
Item 5
19
Item 6
20
Item 7
25

Find the mean of: 3, 5, 9, 18, 19, 20, 25

8.
Item 1
4
Item 2
5
Item 3
9
Item 4
10
Item 5
12
Item 6
15
Item 7
26

Find the mean of: 4, 5, 9, 10, 12, 15, 26

9.
Item 1
2
Item 2
6
Item 3
11
Item 4
11
Item 5
16
Item 6
21
Item 7
28

Find the mean of: 2, 6, 11, 11, 16, 21, 28

10.
Item 1
1
Item 2
1
Item 3
6
Item 4
7
Item 5
12
Item 6
22
Item 7
29

Find the mean of: 1, 1, 6, 7, 12, 22, 29