2009 Confidence Interval Detail
211/Sherman
211-902/Stratford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,699,160 | 1.1347 | 7,666,485 | 7 | 264 | .017730497 |
| A | 8,559,020 | 0.8936 | 9,578,133 | 7 | 145 | .027691400 |
| A | 8,950,820 | 0.9392 | 9,530,260 | 10 | 103 | .041743529 |
| A | 8,953,280 | 0.8996 | 9,952,512 | 11 | 57 | .015337050 |
| D3 | 8,529,850 | 0.9837 | 8,671,190 | 13 | 1,444 | .004862928 |
| G1 | 58,603,590 | 1.0083 | 58,121,184 | 10 | 175 | .006194991 |
| G1 | 58,626,420 | 1.0435 | 56,182,482 | 8 | 89 | .002627998 |
| G1 | 58,919,110 | 1.0332 | 57,025,852 | 8 | 58 | .007275730 |
| G1 | 57,219,220 | 1.0690 | 53,525,931 | 7 | 29 | .014712639 |
| Random Totals: | 277,060,470 | 270,254,029 | 81 | 2,364 | ||
| Catg J Exception Values: | 18,156,500 | 18,921,769 | ||||
| Catg D1 Exception Values: | 51,381,310 | 46,800,912 | ||||
| Total Test Values (4): | 346,598,280 | 335,976,710 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 16,798,836 |
Confidence Interval Values (5)
| State Lower Limit: | 319,177,874 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 346,598,280 | (Within Confidence Interval) |
| State Upper Limit: | 352,775,546 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 435,137,503 | (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