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101/Harris
2017 Confidence Interval Detail
101/Harris
101-921/Tomball ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,563,292,368 | 0.9470 | 1,650,783,916 | 99 | 7,731 | .009233396 |
| A | 1,658,949,958 | 0.9757 | 1,700,266,432 | 100 | 5,643 | .005756845 |
| A | 1,615,703,590 | 1.0042 | 1,608,946,017 | 100 | 3,698 | .008631553 |
| A | 1,538,953,537 | 0.9826 | 1,566,205,513 | 95 | 1,711 | .014750959 |
| B | 47,276,047 | 0.8286 | 57,055,331 | 6 | 14 | .001849487 |
| B | 65,394,919 | 0.8752 | 74,719,971 | 3 | 6 | .004961690 |
| B | 102,509,321 | 1.0550 | 97,165,233 | 2 | 4 | .006383556 |
| C1 | 133,290,336 | 0.9381 | 142,085,424 | 16 | 1,536 | .087629534 |
| C1 | 90,119,174 | 0.6799 | 132,547,689 | 10 | 293 | .226115158 |
| C1 | 108,985,360 | 0.8775 | 124,199,840 | 9 | 143 | .289110418 |
| C1 | 108,881,911 | 0.9675 | 112,539,443 | 8 | 57 | .074037476 |
| F1 | 442,507,669 | 0.9294 | 476,121,873 | 7 | 476 | .010326081 |
| F1 | 475,278,426 | 0.9245 | 514,092,402 | 10 | 105 | .022019993 |
| F1 | 377,944,165 | 0.9468 | 399,180,571 | 7 | 23 | .011956942 |
| F1 | 420,499,760 | 0.8358 | 503,110,505 | 2 | 4 | .023368254 |
| L1 | 92,034,641 | 0.9555 | 96,320,922 | 10 | 772 | .015158643 |
| L1 | 91,123,885 | 0.8701 | 104,728,060 | 11 | 111 | .068603737 |
| L1 | 78,049,300 | 0.9642 | 80,947,210 | 7 | 18 | .004308407 |
| L1 | 113,856,457 | 1.1429 | 99,620,664 | 4 | 8 | .043002289 |
| Random Totals: | 9,124,650,824 | 9,540,637,016 | 506 | 22,353 | ||
| Catg D1 Exception Values: | 1,378,254 | 1,552,163 | ||||
| Catg B Exception Values: | 38,509,966 | 36,446,871 | ||||
| Total Test Values (4): | 9,164,539,044 | 9,578,636,050 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 478,931,802 |
Confidence Interval Values (5)
| State Lower Limit: | 9,099,704,248 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 9,164,539,044 | (Within Confidence Interval) |
| State Upper Limit: | 10,057,567,852 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,530,799,304 | (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