2009 Confidence Interval Detail
138/Knox
138-902/Knox City-O'Brien CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,880,405 | 0.9253 | 3,112,942 | 7 | 187 | .055180479 |
| A | 3,129,805 | 0.9743 | 3,212,363 | 8 | 128 | .008166080 |
| A | 3,001,458 | 0.8902 | 3,371,667 | 7 | 83 | .093312098 |
| A | 3,207,630 | 0.9086 | 3,530,299 | 8 | 56 | .003148682 |
| D3 | 2,892,080 | 0.9867 | 2,931,063 | 27 | 595 | .026201043 |
| G1 | 1,649,209 | 1.1239 | 1,467,398 | 4 | 8 | .025262885 |
| G1 | 1,783,410 | 0.9796 | 1,820,549 | 3 | 5 | .005705739 |
| L1 | 1,371,825 | 0.9293 | 1,476,192 | 7 | 108 | .116905496 |
| L1 | 1,106,294 | 0.9838 | 1,124,511 | 6 | 33 | .005418562 |
| L1 | 1,732,590 | 1.0156 | 1,705,977 | 6 | 17 | .000330345 |
| Random Totals: | 22,754,706 | 23,752,961 | 83 | 1,220 | ||
| Catg J Exception Values: | 1,244,061 | 1,113,437 | ||||
| Catg D1 Exception Values: | 6,852,900 | 7,063,300 | ||||
| Catg G1 Exception Values: | 17,593,839 | 17,414,847 | ||||
| Catg L1 Exception Values: | 1,374,967 | 1,375,798 | ||||
| Total Test Values (4): | 49,820,473 | 50,720,343 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,536,017 |
Confidence Interval Values (5)
| State Lower Limit: | 48,184,326 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 49,820,473 | (Within Confidence Interval) |
| State Upper Limit: | 53,256,360 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 57,864,605 | (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, D3, 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