2011 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 | 800,409,028 | 1.0454 | 765,648,582 | 33 | 6,062 | .016559276 |
| A | 744,168,138 | 1.0104 | 736,508,450 | 42 | 3,056 | .011196137 |
| A | 809,532,573 | 1.0117 | 800,170,577 | 28 | 2,079 | .012562555 |
| A | 900,998,093 | 1.0046 | 896,872,480 | 41 | 1,171 | .014910670 |
| C | 53,682,190 | 1.1661 | 46,035,666 | 41 | 3,920 | .039755991 |
| C | 52,760,245 | 1.0906 | 48,377,265 | 31 | 895 | .060801247 |
| C | 55,031,680 | 0.9792 | 56,200,654 | 25 | 420 | .018041216 |
| C | 47,826,360 | 1.0370 | 46,119,923 | 10 | 142 | .006691098 |
| Random Totals: | 3,464,408,307 | 3,395,933,597 | 251 | 17,745 | ||
| Catg D1 Exception Values: | 12,467,373 | 11,181,119 | ||||
| Total Test Values (4): | 3,476,875,680 | 3,407,114,716 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 170,355,736 |
Confidence Interval Values (5)
| State Lower Limit: | 3,236,758,980 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,476,875,680 | (Within Confidence Interval) |
| State Upper Limit: | 3,577,470,452 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,708,208,218 | (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