2009 Confidence Interval Detail
187/Polk
187-907/Livingston ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 138,482,119 | 0.8059 | 171,835,363 | 34 | 3,626 | .126785689 |
| A | 141,884,358 | 0.8312 | 170,698,217 | 19 | 1,775 | .191780567 |
| A | 159,918,695 | 0.8074 | 198,066,256 | 19 | 1,243 | .135274358 |
| A | 219,639,292 | 0.7936 | 276,763,221 | 20 | 853 | .050782632 |
| C | 17,832,785 | 0.6843 | 26,059,893 | 16 | 8,760 | .814938675 |
| C | 17,350,834 | 0.5838 | 29,720,510 | 17 | 2,772 | .393147415 |
| C | 16,901,304 | 0.8361 | 20,214,453 | 17 | 872 | .175175603 |
| C | 17,883,298 | 0.7572 | 23,617,668 | 16 | 164 | .428974648 |
| D3 | 104,069,872 | 0.8498 | 122,463,959 | 20 | 4,238 | .060514102 |
| F1 | 43,864,613 | 0.9292 | 47,206,859 | 17 | 312 | .013544748 |
| F1 | 47,490,495 | 0.8977 | 52,902,412 | 17 | 89 | .043517730 |
| F1 | 50,615,287 | 0.8926 | 56,705,453 | 14 | 36 | .148835911 |
| L1 | 16,658,890 | 0.8061 | 20,666,034 | 9 | 476 | .411942411 |
| L1 | 15,324,753 | 0.7980 | 19,203,951 | 8 | 79 | .043603722 |
| L1 | 17,427,295 | 0.9411 | 18,518,006 | 7 | 23 | .043809728 |
| Random Totals: | 1,025,343,890 | 1,254,642,255 | 250 | 25,318 | ||
| Catg D1 Exception Values: | 33,399,340 | 33,487,308 | ||||
| Catg F1 Exception Values: | 37,779,688 | 41,209,152 | ||||
| Catg L1 Exception Values: | 17,206,296 | 17,606,186 | ||||
| Total Test Values (4): | 1,113,729,214 | 1,346,944,901 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 67,347,245 |
Confidence Interval Values (5)
| Local Test Value: | 1,113,729,214 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 1,279,597,656 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,414,292,146 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,334,103,974 | (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