2007 Confidence Interval Detail
091/Grayson
091-906/Sherman ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 222,176,637 | 0.9953 | 223,225,798 | 68 | 4,162 | .003276106 |
| A | 222,164,755 | 0.9854 | 225,456,419 | 71 | 2,385 | .001676120 |
| A | 222,232,144 | 0.9846 | 225,708,048 | 70 | 1,683 | .003288282 |
| A | 222,017,825 | 0.9721 | 228,389,903 | 41 | 924 | .001124177 |
| B | 31,111,428 | 0.8138 | 38,229,821 | 15 | 264 | .030400279 |
| B | 31,557,572 | 0.7854 | 40,180,255 | 7 | 35 | .023609455 |
| B | 32,084,482 | 0.6404 | 50,100,690 | 6 | 8 | .060596262 |
| F1 | 111,594,864 | 0.6325 | 176,434,568 | 12 | 465 | .120172436 |
| F1 | 111,492,820 | 0.9357 | 119,154,451 | 7 | 109 | .058047402 |
| F1 | 118,377,595 | 0.9018 | 131,268,125 | 8 | 35 | .018626929 |
| F1 | 103,696,097 | 0.8500 | 121,995,408 | 4 | 6 | .010925217 |
| L1 | 54,698,870 | 0.9075 | 60,274,237 | 7 | 492 | .076028337 |
| L1 | 55,162,729 | 0.9931 | 55,545,996 | 9 | 74 | .007985522 |
| L1 | 107,826,302 | 1.0079 | 106,981,151 | 5 | 26 | .000191368 |
| Random Totals: | 1,646,194,120 | 1,802,944,870 | 330 | 10,668 | ||
| Catg D1 Exception Values: | 3,873,277 | 2,644,669 | ||||
| Catg B Exception Values: | 31,917,800 | 37,572,177 | ||||
| Total Test Values (4): | 1,681,985,197 | 1,843,161,716 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 92,158,086 |
Confidence Interval Values (5)
| Local Test Value: | 1,681,985,197 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 1,751,003,630 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,935,319,802 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,059,946,247 | (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