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236/Walker
2017 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 31,670,204 | 0.8625 | 36,719,077 | 10 | 495 | .017823337 |
| A | 34,216,710 | 0.9681 | 35,344,190 | 10 | 276 | .018102003 |
| A | 36,331,590 | 0.9838 | 36,929,854 | 9 | 185 | .009864698 |
| A | 42,346,950 | 1.0298 | 41,121,528 | 9 | 121 | .006779539 |
| E | 119,070,386 | 0.9501 | 125,324,056 | 15 | 867 | .016585059 |
| F1 | 5,344,410 | 1.0351 | 5,163,182 | 7 | 39 | .001462449 |
| F1 | 5,337,710 | 1.0158 | 5,254,686 | 6 | 15 | .005328082 |
| F1 | 5,148,280 | 1.0249 | 5,023,202 | 4 | 7 | .000964391 |
| F1 | 4,898,490 | 0.9850 | 4,973,086 | 2 | 4 | .000001805 |
| Random Totals: | 284,364,730 | 295,852,861 | 72 | 2,009 | ||
| Catg D1 Exception Values: | 5,884,330 | 5,940,347 | ||||
| Total Test Values (4): | 290,249,060 | 301,793,208 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 15,089,660 |
Confidence Interval Values (5)
| State Lower Limit: | 286,703,548 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 290,249,060 | (Within Confidence Interval) |
| State Upper Limit: | 316,882,868 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 328,673,280 | (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