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184/Parker
2017 Confidence Interval Detail
184/Parker
184-909/Brock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 52,075,340 | 0.7627 | 68,277,619 | 14 | 310 | .077347414 |
| A | 81,190,070 | 0.9314 | 87,169,927 | 42 | 321 | .030847161 |
| A | 100,449,463 | 0.9656 | 104,028,027 | 38 | 297 | .006920863 |
| A | 108,451,050 | 0.9755 | 111,174,833 | 23 | 223 | .020116690 |
| E | 170,717,360 | 0.9477 | 180,138,609 | 14 | 887 | .166120725 |
| F1 | 8,638,470 | 0.9717 | 8,890,059 | 7 | 23 | .002858426 |
| F1 | 8,647,100 | 0.9201 | 9,398,000 | 6 | 11 | .010855482 |
| F1 | 9,395,286 | 0.9426 | 9,967,416 | 4 | 8 | .000410851 |
| F1 | 7,351,550 | 0.9326 | 7,882,854 | 2 | 3 | .002455201 |
| Random Totals: | 546,915,689 | 586,927,344 | 150 | 2,083 | ||
| Catg J Exception Values: | 918,300 | 737,417 | ||||
| Catg D1 Exception Values: | 4,767,450 | 3,550,532 | ||||
| Total Test Values (4): | 552,601,439 | 591,215,293 |
Margin of Error
| Margin of Error Percent: | 6.7935442 |
|---|---|
| Margin of Error Value: | 40,164,472 |
Confidence Interval Values (5)
| State Lower Limit: | 551,050,821 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 552,601,439 | (Within Confidence Interval) |
| State Upper Limit: | 631,379,765 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 580,146,182 | (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, D2, E, 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