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030/Callahan
2018 Confidence Interval Detail
030/Callahan
030-903/Baird ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 10,389,140 | 0.8517 | 12,198,121 | 12 | 302 | 0.080624582 |
| A | 10,375,170 | 0.9578 | 10,832,293 | 16 | 155 | 0.041784906 |
| A | 10,522,870 | 0.8944 | 11,765,284 | 13 | 102 | 0.032295347 |
| A | 9,685,160 | 0.9925 | 9,758,348 | 11 | 54 | 0.012156612 |
| E | 46,744,750 | 0.9991 | 46,786,858 | 21 | 533 | 0.088805299 |
| Random Totals: | 87,717,090 | 91,340,904 | 73 | 1,146 | ||
| CATG D1 EXCEPTION VALUES: | 11,268,310 | 11,169,760 | ||||
| CATG J EXCEPTION VALUES: | 10,482,220 | 11,009,548 | ||||
| Total Test Values(2) | 109,467,620 | 113,520,212 |
Margin of Error
| Margin of Error Percent: | 5.6976231 |
|---|---|
| Margin of Error Value: | 6,467,954 |
Confidence Interval Values(5)
| Local Test Value: | 109,467,620 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 107,052,258 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 119,988,166 | (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