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057/Dallas
2018 Confidence Interval Detail
057/Dallas
057-922/Coppell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,419,011,250 | 0.9616 | 1,475,677,257 | 125 | 4,663 | .016561795 |
| A | 1,419,053,120 | 0.9667 | 1,467,935,368 | 125 | 3,501 | .005399988 |
| A | 1,418,977,040 | 0.9921 | 1,430,276,222 | 125 | 2,828 | .011227330 |
| A | 1,418,590,360 | 0.9808 | 1,446,360,481 | 117 | 1,984 | .005301290 |
| B | 112,967,500 | 0.9628 | 117,332,260 | 15 | 274 | .003724178 |
| B | 117,504,910 | 0.9838 | 119,439,835 | 3 | 6 | .003446667 |
| F1 | 848,408,000 | 0.8191 | 1,035,780,735 | 10 | 218 | .044749949 |
| F1 | 852,341,870 | 0.8695 | 980,266,671 | 10 | 86 | .012814045 |
| F1 | 913,548,670 | 0.8816 | 1,036,239,417 | 8 | 50 | .009320763 |
| F1 | 1,022,000,290 | 0.9440 | 1,082,627,426 | 9 | 27 | .010803631 |
| L1 | 583,127,270 | 1.0852 | 537,345,439 | 12 | 370 | .043070953 |
| L1 | 662,537,980 | 0.9841 | 673,242,536 | 10 | 81 | .003988266 |
| L1 | 468,418,220 | 1.0016 | 467,669,948 | 7 | 21 | .001733102 |
| L1 | 773,547,720 | 1.0123 | 764,148,691 | 5 | 14 | .000087485 |
| Random Totals: | 12,030,034,200 | 12,634,342,286 | 581 | 14,123 | ||
| Catg D1 Exception Values: | 136,318 | 126,524 | ||||
| Catg B Exception Values: | 242,576,580 | 246,794,120 | ||||
| Total Test Values (4): | 12,272,747,098 | 12,881,262,930 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 644,063,146 |
Confidence Interval Values (5)
| State Lower Limit: | 12,237,199,784 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,272,747,098 | (Within Confidence Interval) |
| State Upper Limit: | 13,525,326,076 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 12,015,024,938 | (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