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Ellis County
2019 Confidence Interval Detail
Ellis County
070-905/Ferris ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 74,585,653 | 1.0165 | 73,374,966 | 14 | 1099 | 0.077929989 |
| A | 112,631,001 | 0.9798 | 114,953,053 | 16 | 866 | 0.009239947 |
| A | 93,969,542 | 0.9882 | 95,091,623 | 26 | 461 | 0.004426935 |
| A | 96,386,095 | 1.0327 | 93,334,071 | 19 | 328 | 0.007660713 |
| E | 93,654,682 | 1.0127 | 92,480,184 | 14 | 694 | 0.072126544 |
| Random Totals: | 471,226,973 | 469,233,897 | 89 | 3,448 | ||
| CATG D1 EXCEPTION VALUES: | 7,208,287 | 4,117,214 | ||||
| Total Test Values(1) | 478,435,260 | 473,351,111 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 23,667,556 |
Confidence Interval Values(5)
| Local Test Value: | 478,435,260 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 449,683,555 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 497,018,667 | (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