2006 Confidence Interval Detail
252/Young
252-901/Graham ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 57,257,646 | 0.8762 | 65,347,690 | 67 | 1,728 | 1.366645241 |
| A | 57,167,506 | 0.9207 | 62,091,350 | 91 | 919 | .560073577 |
| A | 57,203,752 | 0.9463 | 60,449,912 | 35 | 558 | .020029561 |
| A | 57,184,216 | 0.9919 | 57,651,191 | 31 | 304 | .004115514 |
| D3 | 52,533,880 | 0.9602 | 54,711,393 | 70 | 5,160 | .218773645 |
| F1 | 14,257,922 | 0.6644 | 21,459,846 | 7 | 238 | .397875466 |
| F1 | 14,330,353 | 0.8362 | 17,137,471 | 7 | 92 | .097652539 |
| F1 | 14,923,998 | 0.8220 | 18,155,715 | 6 | 26 | .072792496 |
| F1 | 13,457,112 | 0.8239 | 16,333,429 | 3 | 6 | .039731362 |
| G1 | 27,615,880 | 0.9211 | 29,981,414 | 8 | 310 | .018863736 |
| G1 | 27,724,850 | 0.9627 | 28,799,055 | 6 | 87 | .016982414 |
| G1 | 55,097,980 | 1.0140 | 54,337,258 | 6 | 24 | .002734133 |
| L1 | 7,814,178 | 0.9781 | 7,989,140 | 7 | 199 | .053576277 |
| L1 | 7,818,068 | 1.0379 | 7,532,583 | 6 | 50 | .036854303 |
| L1 | 7,814,812 | 1.0629 | 7,352,349 | 5 | 19 | .024470317 |
| Random Totals: | 472,202,153 | 509,329,796 | 355 | 9,720 | ||
| Catg J Exception Values: | 27,245,190 | 30,552,495 | ||||
| Catg D1 Exception Values: | 23,115,380 | 18,267,021 | ||||
| Catg L1 Exception Values: | 7,285,840 | 9,340,651 | ||||
| Total Test Values (4): | 529,848,563 | 567,489,963 |
Margin of Error
| Margin of Error Percent: | 5.6737999 |
|---|---|
| Margin of Error Value: | 32,198,245 |
Confidence Interval Values (5)
| Local Test Value: | 529,848,563 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 535,291,718 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 599,688,208 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 568,513,450 | (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