2011 Confidence Interval Detail
061/Denton
061-911/Northwest ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 424,629,243 | 0.9968 | 425,992,419 | 48 | 3,258 | .001934807 |
| A | 416,211,835 | 0.9999 | 416,253,460 | 46 | 2,225 | .002335281 |
| A | 504,142,307 | 0.9817 | 513,540,091 | 48 | 1,904 | .004417026 |
| A | 442,688,786 | 0.9868 | 448,610,444 | 50 | 926 | .003651402 |
| F1 | 141,729,138 | 0.9297 | 152,446,099 | 10 | 296 | .062120410 |
| F1 | 130,611,975 | 1.0260 | 127,302,120 | 9 | 33 | .001885220 |
| F1 | 153,121,872 | 0.9699 | 157,873,876 | 7 | 14 | .002194283 |
| F1 | 192,551,236 | 0.9596 | 200,657,812 | 6 | 10 | .008093987 |
| G1 | 233,442,381 | 0.9938 | 234,898,753 | 11 | 405 | .015693811 |
| G1 | 233,041,031 | 1.0043 | 232,043,245 | 10 | 166 | .006772350 |
| G1 | 232,170,620 | 1.0187 | 227,908,727 | 10 | 107 | .011971936 |
| G1 | 231,636,951 | 1.0454 | 221,577,340 | 10 | 65 | .009757972 |
| L1 | 37,666,253 | 1.0080 | 37,367,314 | 9 | 118 | .009957069 |
| L1 | 45,759,199 | 1.0457 | 43,759,395 | 7 | 20 | .011079450 |
| L1 | 76,962,834 | 1.0249 | 75,093,018 | 3 | 8 | .010512024 |
| Random Totals: | 3,496,365,661 | 3,515,324,113 | 284 | 9,555 | ||
| Catg D1 Exception Values: | 5,266,657 | 5,069,728 | ||||
| Catg L1 Exception Values: | 165,408,388 | 191,066,261 | ||||
| Total Test Values (4): | 3,667,040,706 | 3,711,460,102 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 185,573,005 |
Confidence Interval Values (5)
| State Lower Limit: | 3,525,887,097 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,667,040,706 | (Within Confidence Interval) |
| State Upper Limit: | 3,897,033,107 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 4,593,698,246 | (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