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060/Delta
2017 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 | 15,137,600 | 0.9227 | 16,405,766 | 14 | 465 | .028203064 |
| A | 16,644,190 | 0.8249 | 20,177,221 | 15 | 304 | .058338180 |
| A | 17,986,740 | 0.9520 | 18,893,634 | 15 | 217 | .053111805 |
| A | 20,909,550 | 0.8758 | 23,874,800 | 15 | 137 | .026334988 |
| E | 71,321,905 | 0.8897 | 80,163,993 | 25 | 1,121 | .104959096 |
| Random Totals: | 141,999,985 | 159,515,414 | 84 | 2,244 | ||
| Catg J Exception Values: | 495,230 | 778,951 | ||||
| Catg D1 Exception Values: | 13,161,310 | 15,595,597 | ||||
| Total Test Values (4): | 155,656,525 | 175,889,962 |
Margin of Error
| Margin of Error Percent: | 6.2463354 |
|---|---|
| Margin of Error Value: | 10,986,677 |
Confidence Interval Values (5)
| Local Test Value: | 155,656,525 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 164,903,285 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 186,876,639 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 184,765,482 | (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