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187/Polk
2017 Confidence Interval Detail
187/Polk
187-903/Goodrich ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,888,791 | 1.0850 | 11,879,070 | 15 | 282 | .058258026 |
| A | 14,030,907 | 0.9916 | 14,149,765 | 18 | 180 | .034285324 |
| A | 14,439,892 | 1.0355 | 13,944,850 | 16 | 132 | .053486711 |
| A | 17,801,976 | 1.0480 | 16,986,618 | 17 | 95 | .006425454 |
| E | 12,664,933 | 1.0207 | 12,408,086 | 16 | 188 | .014775672 |
| Random Totals: | 71,826,499 | 69,368,389 | 82 | 877 | ||
| Catg J Exception Values: | 6,181,270 | 5,402,404 | ||||
| Catg D1 Exception Values: | 3,374,059 | 3,195,835 | ||||
| Total Test Values (4): | 81,381,828 | 77,966,628 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,898,331 |
Confidence Interval Values (5)
| State Lower Limit: | 74,068,297 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 81,381,828 | (Within Confidence Interval) |
| State Upper Limit: | 81,864,959 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 107,838,033 | (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