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170/Montgomery
2017 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 | 1,245,678,008 | 0.9675 | 1,287,522,489 | 200 | 6,969 | .020861648 |
| A | 1,275,687,903 | 0.9829 | 1,297,881,680 | 201 | 3,971 | .009666356 |
| A | 1,280,034,420 | 0.9743 | 1,313,799,056 | 154 | 2,645 | .016271511 |
| A | 1,257,095,613 | 0.9940 | 1,264,683,715 | 60 | 1,422 | .020376153 |
| E | 313,261,280 | 0.9241 | 338,990,672 | 15 | 1,239 | .047719289 |
| F1 | 65,160,114 | 0.8915 | 73,090,425 | 10 | 217 | .153976725 |
| F1 | 63,512,180 | 0.9652 | 65,802,093 | 10 | 73 | .029569257 |
| F1 | 55,359,808 | 0.8800 | 62,908,873 | 8 | 26 | .140164647 |
| F1 | 90,033,980 | 1.0137 | 88,817,185 | 5 | 18 | .005428448 |
| Random Totals: | 5,645,823,306 | 5,793,496,188 | 663 | 16,580 | ||
| Catg D1 Exception Values: | 9,676,743 | 9,050,282 | ||||
| Total Test Values (4): | 5,655,500,049 | 5,802,546,470 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 290,127,323 |
Confidence Interval Values (5)
| State Lower Limit: | 5,512,419,147 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,655,500,049 | (Within Confidence Interval) |
| State Upper Limit: | 6,092,673,793 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 5,559,983,000 | (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