In: Advanced Math
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.)