Case |
Average Fill for the 5 bottles tested |
Sample variance for the five bottles tested |
1 |
15.95 |
0.18 |
2 |
16.02 |
0.17 |
3 |
15.83 |
0.10 |
4 |
15.92 |
0.12 |
5 |
16.23 |
0.21 |
6 |
15.94 |
0.12 |
Total no of cases= 100
No of bottles in each case= 24
Total number of bottles or the total population= 2400
Sample for which the test was carried out = 6 cases
% of sample = 5x6/2400 = 30/2400= 1/80= 0.01
We tabulate the actual fill of the bottles by subtracting the variance from the data.
case |
Actual fill of the bottles |
1 |
15.77 |
2 |
15.85 |
3 |
15.73 |
4 |
15.8 |
5 |
16.02 |
6 |
15.82 |
Average fill = |
15.83 |
Therefore the average ounces per bottle is 15.83 with error of 0.01%
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