Question

In: Advanced Math

The next three questions are based on the following information. To study the weight accuracy of...

The next three questions are based on the following information.

To study the weight accuracy of a 50lb fertilizer bag, 12 samples of 12 bags of fertilizer in each sample were taken and the results are as follows.

Mean

Range

Sample 1

47

1.1

Sample 2

46

1.31

Sample 3

46

0.91

Sample 4

47

1.1

Sample 5

48

1.21

Sample 6

50

0.82

Sample 7

49

0.86

Sample 8

49

1.11

Sample 9

51

1.12

Sample 10

52

0.99

Sample 11

50

0.86

Sample 12

51

1.2

1.

The overall average weight of a bag of fertilizer is ________ pound, and the average range is ____________ pound. (Please round to two decimal points and include no units.)

2.

The upper control limit for a 99.7% control chart for the mean is ________ pound, and the lower control limit is __________ pound. (Please round to two decimal points and include no units. Please enter the upper limit first.)

3.  

The upper control limit for a 99.7% control chart for the range is_________ pound, and the lower control limit is _________ pound. (Please round to two decimal points and include no units. Please enter the upper limit first.)

Solutions

Expert Solution

Solution:

Given that


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