BetterPull Tabs Inc creates jar seals with pulltabs that ca

. Better-Pull Tabs Inc. creates jar seals with pull-tabs that can be used to secure containers for purity and freshness before the lid is applied. Recently, they have been testing the amount of force it takes to pull off one of their tabs used in sealing peanut butter jars. Use the following information to create an Individuals with Moving Range chart. How is the process performing?

Sample Number

Pull Force in Ounces

1

21

2

22

3

22

4

23

5

23

6

24

7

24

8

24

9

26

10

26

11

27

12

27

13

26

14

26

15

23

16

23

17

25

Sample Number	Pull Force in Ounces
1	21
2	22
3	22
4	23
5	23
6	24
7	24
8	24
9	26
10	26
11	27
12	27
13	26
14	26
15	23
16	23
17	25

Solution

Sample number Pull Force in Ounces Moving Range MR 1 21 2 22 1 3 22 0 4 23 1 5 23 0 6 24 1 7 24 0 8 24 0 9 26 2 10 26 0 11 27 1 12 27 0 13 26 -1 14 26 0 15 23 -3 16 23 0 17 25 2 24.23529412 0.25 UCL 24.90018773 LCL 23.5704005