2009 Confidence Interval Detail
043/Collin
043-905/Frisco ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,830,521,025 | 0.9974 | 1,835,292,786 | 50 | 10,903 | .003089516 |
| A | 1,756,126,080 | 0.9828 | 1,786,860,073 | 49 | 8,055 | .004279182 |
| A | 1,787,848,644 | 1.0073 | 1,774,891,933 | 50 | 6,141 | .002545908 |
| A | 1,716,985,617 | 0.9920 | 1,730,832,275 | 45 | 2,532 | .004681149 |
| B | 187,658,789 | 0.9976 | 188,110,254 | 12 | 348 | .004239235 |
| B | 249,422,528 | 0.8575 | 290,871,753 | 4 | 12 | .001841034 |
| B | 379,657,150 | 0.8310 | 456,867,810 | 3 | 13 | .008561455 |
| B | 87,026,492 | 0.8490 | 102,504,702 | 2 | 2 | .002612211 |
| D3 | 272,994,531 | 0.9282 | 294,111,755 | 10 | 694 | .051194232 |
| F1 | 771,952,373 | 0.8138 | 948,577,504 | 9 | 318 | .106606228 |
| F1 | 658,479,527 | 0.8781 | 749,891,273 | 6 | 67 | .008641550 |
| F1 | 706,739,947 | 0.9048 | 781,100,737 | 8 | 29 | .009450796 |
| F1 | 632,504,856 | 0.9162 | 690,356,752 | 6 | 8 | .002499342 |
| L1 | 166,973,824 | 1.0066 | 165,879,022 | 7 | 844 | .001101441 |
| L1 | 159,293,626 | 0.9995 | 159,373,313 | 7 | 115 | .000255906 |
| L1 | 133,890,751 | 0.9842 | 136,040,186 | 6 | 24 | .000883656 |
| L1 | 215,548,100 | 1.0034 | 214,817,720 | 3 | 8 | .001738240 |
| Random Totals: | 11,713,623,860 | 12,306,379,848 | 277 | 30,113 | ||
| Catg D1 Exception Values: | 1,750,417 | 1,771,640 | ||||
| Total Test Values (4): | 11,715,374,277 | 12,308,151,488 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 615,407,574 |
Confidence Interval Values (5)
| State Lower Limit: | 11,692,743,914 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 11,715,374,277 | (Within Confidence Interval) |
| State Upper Limit: | 12,923,559,062 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 11,679,348,785 | (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