Creating p chart to monitor the process

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Reference no: EM13104611

The Shoe Store manufactures athletic shoes. The company wants to establish a p-chart to monitor the production process using Z = 3.00. The company has taken a sample of 50 shoes every 4 hours for a work week of five days. Since the company runs two 8-hour shifts each day, this will result in 20 samples. The sample results are as follows.

 

Sample

Number of

Defectives

Proportion

Defective

 

Sample

Number of

Defectives

Proportion

Defective

1

0

0.00

11

4

0.08

2

1

0.02

12

1

0.02

3

0

0.00

13

1

0.02

4

3

0.06

14

2

0.04

5

2

0.04

15

2

0.04

6

5

0.10

16

3

0.06

7

3

0.06

17

4

0.08

8

2

0.04

18

1

0.02

9

1

0.02

19

5

0.10

10

0

0.00

20

2

0.04

The population proportion defective is not known. Construct a p-chart to monitor this process.

 

 

Reference no: EM13104611

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