2011 Confidence Interval Detail
172/Morris
172-905/Pewitt ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,447,360 | 0.9965 | 17,508,640 | 9 | 457 | .048966177 |
| A | 18,597,480 | 0.9299 | 19,999,441 | 10 | 287 | .038469730 |
| A | 18,112,250 | 0.9230 | 19,623,239 | 11 | 190 | .027892407 |
| A | 20,173,930 | 0.9459 | 21,327,762 | 10 | 131 | .022618593 |
| D3 | 59,586,610 | 0.9151 | 65,114,862 | 16 | 2,346 | .307668273 |
| F1 | 2,927,780 | 0.9824 | 2,980,232 | 10 | 60 | .010460246 |
| F1 | 3,654,230 | 0.8969 | 4,074,289 | 7 | 22 | .016034439 |
| F1 | 2,432,820 | 0.8761 | 2,776,875 | 4 | 5 | .006813073 |
| F1 | 2,760,070 | 1.0026 | 2,752,912 | 3 | 4 | .006682780 |
| Random Totals: | 145,692,530 | 156,158,252 | 80 | 3,502 | ||
| Catg J Exception Values: | 4,984,646 | 4,938,877 | ||||
| Catg D1 Exception Values: | 5,700,820 | 5,284,713 | ||||
| Total Test Values (4): | 156,377,996 | 166,381,842 |
Margin of Error
| Margin of Error Percent: | 11.0926059 |
|---|---|
| Margin of Error Value: | 18,456,082 |
Confidence Interval Values (5)
| State Lower Limit: | 147,925,760 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 156,377,996 | (Within Confidence Interval) |
| State Upper Limit: | 184,837,924 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 185,588,557 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories