2009 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 | 65,350,710 | 0.9552 | 68,415,735 | 18 | 1,749 | .148808964 |
| A | 69,246,500 | 0.9081 | 76,254,267 | 20 | 979 | .022141475 |
| A | 69,878,410 | 1.0064 | 69,434,032 | 15 | 614 | .041175640 |
| A | 73,197,270 | 0.9171 | 79,813,837 | 15 | 334 | .048846687 |
| D3 | 54,266,810 | 0.9413 | 57,650,919 | 17 | 4,763 | .059642606 |
| F1 | 15,870,180 | 0.9022 | 17,590,534 | 7 | 254 | .007590964 |
| F1 | 15,679,280 | 0.9566 | 16,390,633 | 7 | 82 | .003936977 |
| F1 | 16,889,660 | 1.0025 | 16,847,541 | 6 | 20 | .054741066 |
| G1 | 22,130,380 | 0.9711 | 22,788,982 | 7 | 255 | .139904253 |
| G1 | 22,105,420 | 1.0019 | 22,063,499 | 8 | 91 | .026051947 |
| G1 | 23,408,970 | 1.0001 | 23,406,629 | 6 | 34 | .006347911 |
| G1 | 20,385,370 | 1.0200 | 19,985,657 | 2 | 5 | .004092484 |
| L1 | 9,095,020 | 1.0539 | 8,629,870 | 7 | 179 | .043312686 |
| L1 | 9,563,160 | 0.9688 | 9,871,140 | 9 | 48 | .003934613 |
| L1 | 10,328,100 | 1.0098 | 10,227,867 | 5 | 21 | .007480644 |
| Random Totals: | 497,395,240 | 519,371,142 | 149 | 9,428 | ||
| Catg J Exception Values: | 27,512,883 | 27,203,957 | ||||
| Catg D1 Exception Values: | 25,079,770 | 19,892,516 | ||||
| Catg F1 Exception Values: | 14,946,020 | 14,717,445 | ||||
| Catg G1 Exception Values: | 28,548,320 | 28,853,730 | ||||
| Catg L1 Exception Values: | 9,960,610 | 9,747,553 | ||||
| Total Test Values (4): | 603,442,843 | 619,786,343 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 30,989,317 |
Confidence Interval Values (5)
| State Lower Limit: | 588,797,026 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 603,442,843 | (Within Confidence Interval) |
| State Upper Limit: | 650,775,660 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 620,576,429 | (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