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020/Brazoria
2018 Confidence Interval Detail
020/Brazoria
020-910/Damon ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 12,331,470 | 0.9876 | 12,486,300 | 9 | 231 | .022106597 |
| A | 11,048,430 | 1.0720 | 10,306,371 | 7 | 79 | .013930796 |
| E | 14,995,353 | 0.7513 | 19,959,208 | 10 | 344 | .246518520 |
| F1 | 2,701,212 | 0.8496 | 3,179,393 | 7 | 33 | .104506743 |
| Random Totals: | 41,076,465 | 45,931,272 | 33 | 687 | ||
| Catg J Exception Values: | 3,960,690 | 4,249,864 | ||||
| Catg D1 Exception Values: | 3,636,930 | 3,440,316 | ||||
| Catg F1 Exception Values: | 900,000 | 1,105,971 | ||||
| Total Test Values (4): | 49,574,085 | 54,727,423 |
Margin of Error
| Margin of Error Percent: | 11.9423219 |
|---|---|
| Margin of Error Value: | 6,535,725 |
Confidence Interval Values (5)
| State Lower Limit: | 48,191,698 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 49,574,085 | (Within Confidence Interval) |
| State Upper Limit: | 61,263,148 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 61,594,180 | (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