Consumer Packaging and Labelling Regulations (C.R.C., c. 417)
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Regulations are current to 2024-11-11 and last amended on 2019-06-17. Previous Versions
SCHEDULE II(Section 39)
PART ISamples
Column I | Column II | |
---|---|---|
Item | Number of Units in the Lot | Minimum Number of Units in the Sample |
1 | from 2 to 10 | All the units in the lot |
2 | from 11 to 128 | 25% of the units in the lot, rounded up to the next whole number, but not less than 10 |
3 | from 129 to 4 000 | 32 |
4 | from 4 001 to 8 000 | 64 |
5 | from 8 001 to 12 000 | 96 |
6 | more than 12 000 | 125 |
PART IIFormula for Determining the Weighted Average Quantity of the Units in a Sample
For the purposes of paragraph 39(4)(a), the formula for adjusting the sample mean to determine the weighted average quantity of the units in the sample is as follows
where
- a
- is the weighted average quantity of the units in the sample
- is the sample mean calculated as follows:
= ∑x ÷ n
- ∑x
- is the sum of the net quantities of all units in the sample
- t
- is the value determined in accordance with Part III for the selected sample size
- n
- is the number of units in the sample
- s
- is the standard deviation of the sample, calculated as follows
- ∑(x- )2
- is the sum of the squared differences between the sample mean and the net quantity of each unit in the sample.
*The value of (t ÷ √n) may, instead of being calculated in accordance with this Part, be determined using the applicable value set out in Column III of the table to Part III
PART IIITable for Values of t and (t ÷ √n)
Column I | Column II | Column III | |
---|---|---|---|
Sample Size | tFootnote for * | (t ÷ √n)Footnote for * | |
2 | 63.657 | 45.01 | Linear Interpolation of ValuesWhere a sample size is selected that is not listed in Column I of this table and lies between 32 and 125, the value of t will be determined by linear interpolation as follows: where
|
3 | 9.925 | 5.73 | |
4 | 5.841 | 2.92 | |
5 | 4.604 | 2.06 | |
6 | 4.032 | 1.65 | |
7 | 3.707 | 1.40 | |
8 | 3.499 | 1.24 | |
9 | 3.355 | 1.12 | |
10 | 3.250 | 1.03 | |
11 | 3.169 | 0.955 | |
12 | 3.106 | 0.897 | |
13 | 3.055 | 0.847 | |
14 | 3.012 | 0.805 | |
15 | 2.977 | 0.769 | |
16 | 2.947 | 0.737 | |
17 | 2.921 | 0.708 | |
18 | 2.898 | 0.683 | |
19 | 2.878 | 0.660 | |
20 | 2.861 | 0.640 | |
21 | 2.845 | 0.621 | |
22 | 2.831 | 0.604 | |
23 | 2.819 | 0.588 | |
24 | 2.807 | 0.573 | |
25 | 2.797 | 0.559 | |
26 | 2.787 | 0.547 | |
27 | 2.779 | 0.535 | |
28 | 2.771 | 0.524 | |
29 | 2.763 | 0.513 | |
30 | 2.756 | 0.503 | |
31 | 2.750 | 0.494 | |
32 | 2.746 | 0.485 | |
64 | 2.657 | 0.332 | |
96 | 2.634 | 0.269 | |
125 | 2.615 | 0.234 |
Return to footnote *Where all units in a lot are selected to constitute a sample, zero shall be used as the value of t and (t ÷ √n).
PART IVMinimum Number of Units for the Purposes of Paragraph 39(4)(B)
Column I | Column II | |
---|---|---|
Item | Sample Size | Minimum Number of UnitsFootnote for * |
1 | from 2 to 8 | 1 |
2 | from 9 to 20 | 2 |
3 | from 21 to 32 | 3 |
4 | from 33 to 50 | 4 |
5 | from 51 to 65 | 5 |
6 | from 66 to 80 | 6 |
7 | from 81 to 102 | 7 |
8 | from 103 to 125 | 8 |
Return to footnote *Minimum number of units in the sample that results in the lot not meeting the requirements of the Act and these Regulations respecting the declaration of net quantity.
- SOR/89-571, s. 4
- Date modified: