2010 Confidence Interval Detail
043/Collin
043-901/Allen ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,180,756,171 | 0.9770 | 1,208,552,887 | 50 | 7,922 | .014358020 |
| A | 1,171,774,122 | 0.9953 | 1,177,307,467 | 50 | 5,997 | .005437696 |
| A | 1,269,443,154 | 0.9958 | 1,274,797,303 | 50 | 4,749 | .003142961 |
| A | 1,158,291,058 | 0.9926 | 1,166,926,313 | 49 | 2,621 | .003255096 |
| F1 | 291,958,100 | 0.9784 | 298,403,618 | 10 | 195 | .135410868 |
| F1 | 254,319,213 | 0.8855 | 287,204,080 | 12 | 53 | .029541015 |
| F1 | 202,429,568 | 0.9552 | 211,923,752 | 7 | 15 | .008991954 |
| F1 | 273,346,543 | 1.0164 | 268,935,993 | 2 | 5 | .000704770 |
| L1 | 118,436,864 | 1.0288 | 115,121,369 | 10 | 523 | .002912772 |
| L1 | 113,569,372 | 0.8950 | 126,893,153 | 9 | 63 | .060288057 |
| L1 | 124,628,261 | 0.9525 | 130,843,319 | 5 | 13 | .009820013 |
| L1 | 66,524,650 | 0.9962 | 66,778,408 | 3 | 3 | .000096523 |
| Random Totals: | 6,225,477,076 | 6,333,687,662 | 257 | 22,159 | ||
| Catg J Exception Values: | 64,309,047 | 75,054,828 | ||||
| Catg D1 Exception Values: | 653,561 | 719,708 | ||||
| Catg B Exception Values: | 281,045,874 | 308,087,043 | ||||
| Total Test Values (4): | 6,571,485,558 | 6,717,549,241 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 335,877,462 |
Confidence Interval Values (5)
| State Lower Limit: | 6,381,671,779 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,571,485,558 | (Within Confidence Interval) |
| State Upper Limit: | 7,053,426,703 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,254,839,590 | (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