2006 Confidence Interval Detail
170/Montgomery
170-903/Montgomery ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 516,690,715 | 0.9435 | 547,631,918 | 24 | 5,128 | .004689136 |
| A | 516,587,319 | 0.9373 | 551,144,051 | 27 | 2,490 | .004173762 |
| A | 516,793,182 | 0.9791 | 527,824,719 | 29 | 1,524 | .014295108 |
| A | 516,192,928 | 0.9364 | 551,252,593 | 19 | 783 | .007832277 |
| C | 50,972,202 | 0.9332 | 54,620,877 | 8 | 4,967 | .011585596 |
| C | 48,752,016 | 0.9664 | 50,447,036 | 7 | 1,309 | .004853792 |
| C | 47,586,264 | 1.0086 | 47,180,512 | 10 | 564 | .006175244 |
| C | 48,857,708 | 0.9856 | 49,571,538 | 9 | 266 | .009424826 |
| Random Totals: | 2,262,432,334 | 2,379,673,244 | 133 | 17,031 | ||
| Catg D1 Exception Values: | 13,640,520 | 12,507,458 | ||||
| Total Test Values (4): | 2,276,072,854 | 2,392,180,702 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 119,609,035 |
Confidence Interval Values (5)
| State Lower Limit: | 2,272,571,667 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,276,072,854 | (Within Confidence Interval) |
| State Upper Limit: | 2,511,789,737 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,434,389,529 | (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