2007 Confidence Interval Detail
043/Collin
043-907/McKinney ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,365,325,970 | 0.9956 | 1,371,359,954 | 49 | 8,983 | .003169549 |
| A | 1,364,109,142 | 0.9923 | 1,374,694,288 | 50 | 6,737 | .002579098 |
| A | 1,364,481,385 | 0.9792 | 1,393,465,467 | 49 | 4,750 | .005243365 |
| A | 1,364,242,883 | 0.9873 | 1,381,791,637 | 50 | 2,648 | .002213906 |
| B | 82,998,929 | 0.7205 | 115,196,293 | 7 | 41 | .039953193 |
| B | 74,946,453 | 0.7853 | 95,436,716 | 4 | 7 | .017936805 |
| B | 85,166,452 | 0.8352 | 101,971,327 | 3 | 4 | .024459947 |
| F1 | 250,210,575 | 0.9398 | 266,238,109 | 6 | 288 | .016294464 |
| F1 | 250,001,045 | 0.8989 | 278,118,862 | 6 | 97 | .016388940 |
| F1 | 254,854,120 | 0.8903 | 286,256,453 | 6 | 39 | .018713449 |
| F1 | 241,216,099 | 0.9585 | 251,659,989 | 4 | 12 | .002523867 |
| L1 | 187,572,929 | 0.9888 | 189,697,541 | 9 | 535 | .000263923 |
| L1 | 187,487,806 | 0.9536 | 196,610,535 | 6 | 31 | .007504892 |
| L1 | 218,053,850 | 0.9559 | 228,113,663 | 4 | 8 | .002315909 |
| Random Totals: | 7,290,667,638 | 7,530,610,834 | 253 | 24,180 | ||
| Catg D1 Exception Values: | 4,811,729 | 4,529,679 | ||||
| Catg B Exception Values: | 81,081,824 | 101,660,224 | ||||
| Catg L1 Exception Values: | 85,484,561 | 56,931,092 | ||||
| Total Test Values (4): | 7,462,045,752 | 7,693,731,829 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 384,686,591 |
Confidence Interval Values (5)
| State Lower Limit: | 7,309,045,238 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,462,045,752 | (Within Confidence Interval) |
| State Upper Limit: | 8,078,418,420 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,349,721,097 | (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