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060/Delta
2018 Confidence Interval Detail
060/Delta
060-902/Cooper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,883,227 | 0.8634 | 18,396,140 | 16 | 447 | .049196664 |
| A | 17,971,490 | 0.8493 | 21,160,356 | 15 | 298 | .086399969 |
| A | 20,914,680 | 1.0361 | 20,185,967 | 15 | 228 | .035540321 |
| A | 23,282,720 | 1.0611 | 21,942,060 | 15 | 136 | .024668221 |
| E | 76,547,940 | 0.9432 | 81,157,697 | 29 | 1,103 | .035237917 |
| Random Totals: | 154,600,057 | 162,842,220 | 90 | 2,212 | ||
| Catg J Exception Values: | 16,399,240 | 18,010,443 | ||||
| Catg D1 Exception Values: | 14,896,770 | 17,733,006 | ||||
| Total Test Values (4): | 185,896,067 | 198,585,669 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,929,283 |
Confidence Interval Values (5)
| Local Test Value: | 185,896,067 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 188,656,386 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 208,514,952 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 201,683,592 | (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