2010 Confidence Interval Detail
043/Collin
043-910/Plano ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,126,623,777 | 0.9900 | 5,178,407,856 | 99 | 30,846 | .003169082 |
| A | 5,065,700,718 | 0.9874 | 5,130,343,040 | 100 | 21,454 | .002214500 |
| A | 4,894,087,463 | 0.9922 | 4,932,561,442 | 100 | 14,854 | .003097930 |
| A | 4,800,628,978 | 0.9890 | 4,854,023,234 | 100 | 7,517 | .003910285 |
| B | 712,852,693 | 0.8963 | 795,328,231 | 13 | 188 | .027384803 |
| B | 641,353,658 | 1.0246 | 625,955,161 | 9 | 42 | .031203674 |
| B | 672,262,737 | 1.0126 | 663,897,627 | 11 | 32 | .018106196 |
| B | 381,710,038 | 1.0069 | 379,094,287 | 8 | 12 | .003641480 |
| F1 | 1,677,570,364 | 0.9755 | 1,719,703,090 | 15 | 923 | .006467005 |
| F1 | 1,522,870,473 | 1.0222 | 1,489,796,980 | 10 | 192 | .020498613 |
| F1 | 1,540,497,244 | 1.0771 | 1,430,226,761 | 10 | 75 | .010536761 |
| F1 | 1,702,883,314 | 1.0172 | 1,674,088,983 | 7 | 26 | .003079102 |
| L1 | 578,854,051 | 0.8628 | 670,901,774 | 10 | 2,232 | .027697699 |
| L1 | 678,816,124 | 0.9899 | 685,742,119 | 10 | 257 | .014110015 |
| L1 | 438,252,668 | 1.0042 | 436,419,705 | 8 | 39 | .001336955 |
| L1 | 909,591,440 | 0.9329 | 975,014,943 | 6 | 22 | .013562844 |
| Random Totals: | 31,344,555,740 | 31,641,505,233 | 516 | 78,711 | ||
| Catg J Exception Values: | 319,747,050 | 318,587,582 | ||||
| Catg D1 Exception Values: | 1,031,165 | 1,088,332 | ||||
| Total Test Values (4): | 31,665,333,955 | 31,961,181,147 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,598,059,057 |
Confidence Interval Values (5)
| State Lower Limit: | 30,363,122,090 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 31,665,333,955 | (Within Confidence Interval) |
| State Upper Limit: | 33,559,240,204 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 32,920,118,828 | (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