2011 Confidence Interval Detail
061/Denton
061-908/Sanger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 90,501,626 | 0.9571 | 94,558,172 | 18 | 1,164 | .013293042 |
| A | 93,677,136 | 0.9958 | 94,072,239 | 21 | 803 | .004264441 |
| A | 99,145,814 | 0.9582 | 103,470,898 | 20 | 595 | .008083596 |
| A | 84,726,040 | 0.9571 | 88,523,707 | 12 | 339 | .005607461 |
| D3 | 127,989,839 | 1.0913 | 117,281,993 | 16 | 3,074 | .044614102 |
| F1 | 14,246,749 | 1.0095 | 14,112,679 | 9 | 87 | .003870931 |
| F1 | 12,809,879 | 0.8750 | 14,639,862 | 10 | 32 | .069879858 |
| F1 | 14,825,294 | 0.9818 | 15,100,116 | 7 | 23 | .010455401 |
| F1 | 14,863,081 | 0.9156 | 16,233,160 | 8 | 13 | .026017896 |
| Random Totals: | 552,785,458 | 557,992,826 | 121 | 6,130 | ||
| Catg D1 Exception Values: | 4,831,013 | 4,321,272 | ||||
| Catg F1 Exception Values: | 28,200,000 | 30,000,000 | ||||
| Total Test Values (4): | 585,816,471 | 592,314,098 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 29,615,705 |
Confidence Interval Values (5)
| State Lower Limit: | 562,698,393 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 585,816,471 | (Within Confidence Interval) |
| State Upper Limit: | 621,929,803 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 701,082,775 | (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