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079/Fort Bend
2018 Confidence Interval Detail
079/Fort Bend
101-914/Katy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,090,388,751 | 0.9738 | 3,173,535,378 | 50 | 11568 | 0.003288793 |
| A | 3,050,928,101 | 0.9562 | 3,190,679,880 | 50 | 8895 | 0.010633461 |
| A | 3,280,972,028 | 0.9719 | 3,375,832,933 | 50 | 7715 | 0.006816775 |
| A | 3,193,535,869 | 0.9744 | 3,277,438,289 | 50 | 5150 | 0.012524478 |
| B | 615,742,588 | 0.8294 | 742,395,211 | 7 | 32 | 0.022583800 |
| F1 | 1,372,486,258 | 0.9736 | 1,611,656,010 | 15 | 364 | 0.007250757 |
| L1 | 71,404,977 | 1.0200 | 70,004,879 | 8 | 1237 | 0.021790513 |
| L1 | 66,996,104 | 0.9907 | 67,625,017 | 8 | 227 | 0.017204506 |
| L1 | 71,787,390 | 0.9612 | 74,685,175 | 8 | 70 | 0.017946176 |
| L1 | 73,483,750 | 0.9492 | 77,416,509 | 6 | 16 | 0.010816770 |
| Random Totals: | 14,887,725,816 | 15,661,269,281 | 252 | 35,274 | ||
| CATG D1 EXCEPTION VALUES: | 454,620 | 431,243 | ||||
| Total Test Values(1) | 14,888,180,436 | 15,661,700,524 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 783,085,026 |
Confidence Interval Values(5)
| Local Test Value: | 14,888,180,436 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 14,878,615,498 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 16,444,785,550 | (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