2008 Confidence Interval Detail
109/Hill
109-911/Whitney ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 75,764,340 | 1.0004 | 75,734,046 | 42 | 1,648 | .055010518 |
| A | 80,633,230 | 0.9589 | 84,089,300 | 40 | 821 | .021055375 |
| A | 77,474,560 | 0.9711 | 79,780,208 | 25 | 449 | .023890132 |
| A | 89,872,100 | 1.0272 | 87,492,309 | 25 | 281 | .014960266 |
| C | 14,892,136 | 0.9070 | 16,419,114 | 17 | 2,269 | .102938505 |
| C | 25,043,885 | 0.8094 | 30,941,296 | 16 | 2,336 | .236710473 |
| C | 13,025,910 | 0.8680 | 15,006,809 | 24 | 732 | .182197042 |
| C | 32,913,880 | 0.9397 | 35,025,944 | 16 | 1,029 | .039843426 |
| D3 | 53,166,512 | 1.0351 | 51,363,648 | 25 | 1,975 | .120920765 |
| F1 | 12,360,620 | 0.9154 | 13,502,971 | 9 | 137 | .052193214 |
| F1 | 14,352,970 | 1.0167 | 14,117,213 | 7 | 62 | .003080143 |
| F1 | 14,164,550 | 0.9511 | 14,892,808 | 6 | 29 | .003234952 |
| F1 | 12,846,960 | 0.9997 | 12,850,815 | 4 | 11 | .001647284 |
| Random Totals: | 516,511,653 | 531,216,481 | 256 | 11,779 | ||
| Catg D1 Exception Values: | 3,672,400 | 2,740,121 | ||||
| Total Test Values (4): | 520,184,053 | 533,956,602 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,697,830 |
Confidence Interval Values (5)
| State Lower Limit: | 507,258,772 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 520,184,053 | (Within Confidence Interval) |
| State Upper Limit: | 560,654,432 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 512,862,184 | (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
