2009 Confidence Interval Detail
050/Coryell
050-909/Jonesboro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,443,510 | 0.9850 | 5,526,406 | 8 | 115 | .016227377 |
| A | 5,474,295 | 0.9728 | 5,627,359 | 7 | 69 | .004067945 |
| A | 4,186,600 | 0.9536 | 4,390,310 | 7 | 35 | .010989088 |
| A | 4,826,710 | 0.9535 | 5,062,098 | 6 | 23 | .011624965 |
| D3 | 11,237,956 | 0.9606 | 11,698,892 | 14 | 998 | .010131902 |
| Random Totals: | 31,169,071 | 32,305,065 | 42 | 1,240 | ||
| Catg J Exception Values: | 1,748,630 | 1,827,468 | ||||
| Catg D1 Exception Values: | 5,663,602 | 5,750,057 | ||||
| Total Test Values (4): | 38,581,303 | 39,882,590 |
Margin of Error
| Margin of Error Percent: | 5.0000013 |
|---|---|
| Margin of Error Value: | 1,994,130 |
Confidence Interval Values (5)
| State Lower Limit: | 37,888,460 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,581,303 | (Within Confidence Interval) |
| State Upper Limit: | 41,876,720 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 36,817,986 | (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