2007 Confidence Interval Detail
170/Montgomery
170-902/Conroe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,790,299,217 | 0.9489 | 2,940,561,932 | 41 | 22,575 | .007321769 |
| A | 2,790,285,138 | 0.9332 | 2,990,018,365 | 45 | 14,069 | .010578337 |
| A | 2,790,002,793 | 0.9595 | 2,907,767,372 | 40 | 8,872 | .005613187 |
| A | 2,790,039,324 | 0.9583 | 2,911,446,649 | 38 | 4,405 | .003379786 |
| B | 119,190,827 | 1.0030 | 118,834,324 | 6 | 30 | .017034964 |
| B | 127,723,301 | 1.0404 | 122,763,650 | 6 | 17 | .002299179 |
| B | 118,258,217 | 0.9613 | 123,019,054 | 5 | 10 | .006411262 |
| B | 111,210,302 | 0.9917 | 112,141,073 | 4 | 6 | .005328741 |
| C | 154,101,122 | 0.9489 | 162,399,749 | 15 | 6,376 | .010008974 |
| C | 153,014,996 | 0.9749 | 156,954,555 | 27 | 2,426 | .010051791 |
| C | 153,473,672 | 0.9580 | 160,202,163 | 15 | 698 | .026173264 |
| C | 153,509,850 | 0.9491 | 161,742,546 | 9 | 95 | .004638094 |
| F1 | 589,289,460 | 0.9579 | 615,188,913 | 8 | 1,033 | .052930221 |
| F1 | 593,890,966 | 0.8295 | 715,962,587 | 8 | 223 | .191318763 |
| F1 | 595,699,943 | 1.0163 | 586,145,767 | 6 | 73 | .002276827 |
| F1 | 578,093,520 | 1.0265 | 563,169,528 | 6 | 18 | .009146535 |
| L1 | 323,102,030 | 0.9023 | 358,087,144 | 8 | 2,338 | .021603702 |
| L1 | 323,873,381 | 0.9404 | 344,399,597 | 8 | 328 | .010889945 |
| L1 | 329,810,548 | 0.9797 | 336,644,430 | 7 | 70 | .004596467 |
| L1 | 315,287,245 | 0.9961 | 316,521,680 | 5 | 9 | .000557844 |
| Random Totals: | 15,900,155,852 | 16,703,971,078 | 307 | 63,671 | ||
| Catg D1 Exception Values: | 51,012,060 | 50,356,741 | ||||
| Total Test Values (4): | 15,951,167,912 | 16,754,327,819 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 837,716,391 |
Confidence Interval Values (5)
| State Lower Limit: | 15,916,611,428 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,951,167,912 | (Within Confidence Interval) |
| State Upper Limit: | 17,592,044,210 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 16,373,080,274 | (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