2012 Confidence Interval Detail
109/Hill
175-905/Frost ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 880,030 | 0.9618 | 914,982 | 8 | 25 | .003773648 |
| A | 659,930 | 0.9827 | 671,548 | 7 | 12 | .000417447 |
| A | 899,790 | 0.9744 | 923,430 | 7 | 11 | .002280057 |
| A | 658,680 | 0.9020 | 730,244 | 4 | 5 | .017374808 |
| D3 | 2,600,660 | 0.9687 | 2,684,691 | 14 | 217 | .008421783 |
| Random Totals: | 5,699,090 | 5,924,895 | 40 | 270 | ||
| Catg J Exception Values: | 878,433 | 903,035 | ||||
| Catg D1 Exception Values: | 912,760 | 988,246 | ||||
| Total Test Values (4): | 7,490,283 | 7,816,176 |
Margin of Error
| Margin of Error Percent: | 5.0000026 |
|---|---|
| Margin of Error Value: | 390,809 |
Confidence Interval Values (5)
| State Lower Limit: | 7,425,367 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,490,283 | (Within Confidence Interval) |
| State Upper Limit: | 8,206,985 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,736,574 | (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