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Johnson County
2019 Confidence Interval Detail
Johnson County
126-905/Joshua ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 242,094,155 | 0.9120 | 265,454,117 | 42 | 2312 | 0.038538446 |
| A | 264,649,171 | 0.9212 | 287,287,420 | 42 | 1459 | 0.013915749 |
| A | 305,504,836 | 0.9797 | 311,835,088 | 49 | 1223 | 0.007024745 |
| A | 346,621,794 | 1.0094 | 343,393,891 | 50 | 890 | 0.006959419 |
| E | 336,203,543 | 0.9829 | 342,052,643 | 30 | 2658 | 0.014263628 |
| F1 | 23,163,390 | 0.9944 | 23,293,835 | 9 | 124 | 0.006320124 |
| F1 | 25,487,226 | 0.9269 | 27,497,277 | 9 | 66 | 0.006746151 |
| F1 | 24,691,264 | 0.9211 | 26,806,279 | 8 | 33 | 0.025645554 |
| F1 | 21,019,111 | 0.7576 | 27,744,339 | 4 | 9 | 0.112223525 |
| Random Totals: | 1,589,434,490 | 1,655,364,889 | 243 | 8,774 | ||
| CATG D1 EXCEPTION VALUES: | 3,665,712 | 2,445,432 | ||||
| Total Test Values(1) | 1,593,100,202 | 1,657,810,321 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 82,890,516 |
Confidence Interval Values(5)
| Local Test Value: | 1,593,100,202 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,574,919,805 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,740,700,837 | (State Test Value plus Margin of Error Percent) |
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