West Penn Power AMENDED Program Year 3 Final Annual Report
West Penn Power AMENDED Program Year 3 Final Annual Report
West Penn Power AMENDED Program Year 3 Final Annual Report
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Table 3-2: Residential Energy Efficient Products <strong>Program</strong> Sampling Strategy for PY3<br />
Stratum<br />
Room Air<br />
Conditioner<br />
Refrigerator/freezer<br />
Clothes washer<br />
Strata<br />
Boundaries<br />
Population<br />
Size<br />
Assumed<br />
Coefficient<br />
of<br />
Variation<br />
(Cv) or •<br />
Proportion<br />
in Sample<br />
Design<br />
Target<br />
Levels of<br />
Confidence<br />
&<br />
Precision<br />
n/a 1,058 0.5 90%, +/-<br />
11.4%<br />
n/a 1,418 0.5 90%, +/-<br />
11.4%<br />
n/a 4,250 0.5 90%, +/-<br />
11.6%<br />
Clothes dryer n/a 2,257 0.5 90%, +/-<br />
Dishwasher n/a 1,696 0.5<br />
11.6%<br />
<strong>Program</strong>mable<br />
thermostat<br />
Hot water heater<br />
n/a 323 0.5<br />
n/a 65 0.5 100%, +/-<br />
0%<br />
<strong>Program</strong> Total n/a 11,067 0.5 90%, +/-<br />
4.0%<br />
Target<br />
Sample Size<br />
50 combined<br />
(discontinued<br />
measures)<br />
Achieved<br />
Sample<br />
Size<br />
Evaluation<br />
Activity<br />
50<br />
50<br />
65<br />
64<br />
Web survey<br />
with phone<br />
follow-up for<br />
non web survey<br />
response<br />
50 57<br />
19<br />
17<br />
20<br />
census 23<br />
~400 265<br />
1 9<br />
Strata boundaries for this sampling design are not applicable as a random sample was pulled for each measure's<br />
population that included all participants.<br />
<strong>West</strong> <strong>Penn</strong> <strong>Power</strong> Company J Page 35
Change language