2011 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 | 11,325,364 | 1.0624 | 10,660,169 | 11 | 328 | .076312025 |
| A | 11,252,578 | 1.0093 | 11,148,893 | 10 | 177 | .105598642 |
| A | 11,592,988 | 1.0693 | 10,841,661 | 11 | 125 | .008157983 |
| A | 11,665,861 | 0.9498 | 12,282,439 | 10 | 73 | .002938053 |
| D3 | 9,688,497 | 0.9190 | 10,542,434 | 14 | 420 | .011726585 |
| G1 | 18,446,330 | 0.9933 | 18,570,754 | 10 | 26 | .012254045 |
| Random Totals: | 73,971,618 | 74,046,350 | 66 | 1,149 | ||
| Catg J Exception Values: | 2,362,303 | 2,366,286 | ||||
| Catg D1 Exception Values: | 3,513,996 | 3,092,677 | ||||
| Total Test Values (4): | 79,847,917 | 79,505,313 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 3,975,266 |
Confidence Interval Values (5)
| State Lower Limit: | 75,530,047 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 79,847,917 | (Within Confidence Interval) |
| State Upper Limit: | 83,480,579 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 113,023,173 | (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, D3, 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