2008 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 | 1,329,760,482 | 0.9905 | 1,342,514,369 | 45 | 9,290 | .004523922 |
| A | 1,457,265,738 | 0.9964 | 1,462,530,849 | 47 | 7,573 | .005606225 |
| A | 1,481,899,936 | 0.9894 | 1,497,776,365 | 48 | 5,406 | .003903825 |
| A | 1,506,676,522 | 0.9876 | 1,525,593,886 | 47 | 3,046 | .005207375 |
| B | 76,615,602 | 0.7596 | 100,863,088 | 6 | 33 | .005410796 |
| B | 42,821,407 | 0.8419 | 50,862,819 | 4 | 5 | .030559499 |
| D3 | 297,450,285 | 1.0090 | 294,797,111 | 45 | 2,777 | .001157418 |
| F1 | 249,164,474 | 1.0271 | 242,590,277 | 7 | 298 | .016903649 |
| F1 | 270,879,783 | 1.0170 | 266,351,802 | 7 | 118 | .006345154 |
| F1 | 281,199,516 | 0.9583 | 293,435,788 | 6 | 49 | .006114098 |
| F1 | 284,841,067 | 0.9989 | 285,154,737 | 5 | 17 | .007974899 |
| L1 | 183,749,939 | 0.9898 | 185,643,503 | 8 | 508 | .003762951 |
| L1 | 222,139,695 | 0.8390 | 264,767,217 | 6 | 43 | .042482572 |
| L1 | 214,231,837 | 0.9305 | 230,233,033 | 4 | 10 | .013518546 |
| Random Totals: | 7,898,696,283 | 8,043,114,844 | 285 | 29,173 | ||
| Catg D1 Exception Values: | 4,704,331 | 4,738,998 | ||||
| Catg B Exception Values: | 156,642,285 | 158,771,333 | ||||
| Catg L1 Exception Values: | 118,325,272 | 152,627,031 | ||||
| Total Test Values (4): | 8,178,368,171 | 8,359,252,206 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 417,962,610 |
Confidence Interval Values (5)
| State Lower Limit: | 7,941,289,596 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,178,368,171 | (Within Confidence Interval) |
| State Upper Limit: | 8,777,214,816 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,925,287,139 | (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