2009 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 | 1,500,427,939 | 1.0013 | 1,498,479,915 | 50 | 10,335 | .004464064 |
| A | 1,351,724,135 | 0.9884 | 1,367,588,158 | 49 | 6,833 | .004103594 |
| A | 1,517,276,200 | 1.0001 | 1,517,124,488 | 49 | 5,395 | .004455305 |
| A | 1,393,727,341 | 0.9819 | 1,419,418,822 | 49 | 2,800 | .003066874 |
| B | 100,047,549 | 0.7073 | 141,449,949 | 6 | 48 | .025368474 |
| B | 110,196,243 | 0.8324 | 132,383,761 | 6 | 9 | .021172221 |
| B | 119,687,130 | 0.8048 | 148,716,613 | 5 | 5 | .025073700 |
| D3 | 258,295,603 | 0.9136 | 282,722,858 | 10 | 2,699 | .028860376 |
| F1 | 267,237,924 | 0.9176 | 291,235,750 | 9 | 294 | .019444710 |
| F1 | 308,697,283 | 0.9401 | 328,366,432 | 10 | 126 | .007204102 |
| F1 | 293,965,159 | 0.9436 | 311,535,777 | 6 | 48 | .012544661 |
| F1 | 338,699,828 | 0.9067 | 373,552,253 | 5 | 17 | .015024237 |
| L1 | 218,282,451 | 0.9982 | 218,676,068 | 7 | 512 | .000116978 |
| L1 | 230,838,154 | 0.9809 | 235,333,015 | 6 | 33 | .002604396 |
| L1 | 356,931,893 | 0.9574 | 372,813,759 | 4 | 8 | .001312798 |
| Random Totals: | 8,366,034,832 | 8,639,397,618 | 271 | 29,162 | ||
| Catg D1 Exception Values: | 5,053,745 | 4,858,902 | ||||
| Total Test Values (4): | 8,371,088,577 | 8,644,256,520 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 432,212,826 |
Confidence Interval Values (5)
| State Lower Limit: | 8,212,043,694 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,371,088,577 | (Within Confidence Interval) |
| State Upper Limit: | 9,076,469,346 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,925,923,714 | (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