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Harris County
2025 Confidence Interval Detail
Harris County
101-921/Tomball ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 3,615,513,025 | 1.0213 | 3,540,108,709 | 150 | 10,320 | 3,001,842,194 |
| A | 3 | 3,628,570,391 | 1.0040 | 3,614,113,935 | 149 | 7,544 | 4,031,775,333 |
| A | 4 | 3,725,210,100 | 0.9744 | 3,823,080,973 | 135 | 5,391 | 27,526,478,869 |
| A | 5 | 4,414,524,476 | 0.9766 | 4,520,299,484 | 79 | 3,064 | 1,591,556,886,236 |
| B | 2 | 626,027,455 | 0.9724 | 643,796,231 | 8 | 30 | 581,194,657,972,813 |
| C1 | 2 | 96,954,641 | 0.6928 | 139,946,075 | 11 | 851 | 7,345,979,998 |
| C1 | 3 | 104,630,944 | 0.7907 | 132,326,981 | 11 | 252 | 87,399,085,791 |
| C1 | 4 | 111,828,200 | 0.9538 | 117,244,915 | 11 | 107 | 152,018,004,416 |
| C1 | 5 | 103,766,218 | 1.0275 | 100,989,020 | 8 | 44 | 7,513,539,354,995 |
| F1 | 2 | 755,202,715 | 0.8436 | 895,214,219 | 13 | 599 | 1,038,931,886,442 |
| F1 | 3 | 812,507,818 | 0.9177 | 885,374,107 | 12 | 208 | 4,581,067,365,775 |
| F1 | 4 | 766,601,534 | 0.8941 | 857,400,217 | 13 | 72 | 29,052,748,202,718 |
| F1 | 5 | 643,677,140 | 0.9663 | 666,125,572 | 6 | 15 | 4,034,680,408,564,269 |
| L1 | 2 | 156,826,473 | 1.0653 | 147,213,436 | 10 | 989 | 50,091,866,527 |
| L1 | 3 | 158,292,098 | 1.0041 | 157,645,750 | 10 | 144 | 524,020,290,349 |
| L1 | 4 | 182,400,975 | 1.0111 | 180,398,551 | 8 | 38 | 3,694,364,588,082 |
| L1 | 5 | 221,611,535 | 1.0133 | 218,702,788 | 4 | 10 | 105,438,477,916,655 |
| Random Totals: | 20,124,145,738 | 20,639,980,963 | 638 | 29,678 | |||
| CATG D1 EXCEPTION VALUES: | 1,335,748 | 1,155,381 | |||||
| Total Test Values | 20,125,481,486 | 20,641,136,344 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,032,056,817 |
Confidence Interval Values(5)
| Local Test Value: | 20,125,481,486 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 19,609,079,527 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 21,673,193,161 | (State Test Value plus Margin of Error Percent) |
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