2008 Confidence Interval Detail
061/Denton
061-907/Aubrey ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 75,005,933 | 1.0053 | 74,610,497 | 26 | 717 | .001870795 |
| A | 94,506,052 | 0.9996 | 94,543,870 | 24 | 659 | .003050868 |
| A | 75,512,674 | 0.9974 | 75,709,519 | 11 | 437 | .001249506 |
| A | 87,699,607 | 1.0191 | 86,055,939 | 10 | 313 | .009043056 |
| D3 | 135,331,196 | 0.8769 | 154,329,109 | 10 | 1,826 | .032311605 |
| F1 | 5,977,724 | 0.9840 | 6,074,923 | 7 | 38 | .003911922 |
| F1 | 8,424,402 | 1.0541 | 7,992,033 | 7 | 27 | .010798617 |
| F1 | 7,236,184 | 0.9287 | 7,791,735 | 5 | 15 | .013759963 |
| F1 | 11,375,251 | 1.0767 | 10,564,922 | 4 | 15 | .047158959 |
| Random Totals: | 501,069,023 | 517,672,547 | 104 | 4,047 | ||
| Catg J Exception Values: | 15,711,117 | 15,991,070 | ||||
| Catg D1 Exception Values: | 2,217,531 | 1,839,762 | ||||
| Total Test Values (4): | 518,997,671 | 535,503,379 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,775,169 |
Confidence Interval Values (5)
| State Lower Limit: | 508,728,210 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 518,997,671 | (Within Confidence Interval) |
| State Upper Limit: | 562,278,548 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 544,861,425 | (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