(a) Sampling plan for selection of units for testing. (1) The requirements of Sec. 429.11 are applicable to battery chargers; and
(1) The requirements of Sec. 429.11 are applicable to battery chargers; and
(2) For each basic model of battery charger selected for testing, a sample of sufficient size shall be randomly selected and tested to ensure that--
(i) Any represented value of the estimated non-active energy ratio or other measure of energy consumption of a basic model for which consumers would favor lower values shall be greater than or equal to the higher of:
(A) The mean of the sample, where:
[GRAPHIC] [TIFF OMITTED] TR07MR11.087
Or,
(B) The upper 97.5 percent confidence limit (UCL) of the true mean divided by 1.05, where:[GRAPHIC] [TIFF OMITTED] TR02MY11.067 and
(ii) Any represented value of the estimated non-active energy ratio or other measure of energy consumption of a basic model for which consumers would favor higher values shall be less than or equal to the lower of:
(A) The mean of the sample, where: [GRAPHIC] [TIFF OMITTED] TR07MR11.089 Or,
(B) The lower 97.5 percent confidence limit (LCL) of the true mean divided by 0.95, where:[GRAPHIC] [TIFF OMITTED] TR02MY11.068
(b) Certification reports. [Reserved] [76 FR 12451, Mar. 7, 2011; 76 FR 24774, May 2, 2011]