2010 Confidence Interval Detail
057/Dallas
057-905/Dallas ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,260,061,690 | 0.9852 | 9,399,169,397 | 100 | 103,441 | .008421333 |
| A | 9,945,562,900 | 0.9826 | 10,121,680,134 | 100 | 41,766 | .004868183 |
| A | 9,655,955,270 | 0.9802 | 9,851,005,172 | 100 | 19,165 | .007015447 |
| A | 9,456,776,700 | 0.9846 | 9,604,688,909 | 100 | 6,041 | .003409786 |
| B | 1,717,136,710 | 0.9971 | 1,722,130,890 | 121 | 4,877 | .008389760 |
| B | 1,689,461,500 | 1.1184 | 1,510,605,776 | 10 | 339 | .024300828 |
| B | 1,655,330,780 | 0.9253 | 1,788,966,584 | 9 | 111 | .005059307 |
| B | 1,598,420,650 | 0.8775 | 1,821,561,994 | 8 | 44 | .014782227 |
| C | 603,655,910 | 0.9437 | 639,669,291 | 16 | 9,976 | .035635770 |
| C | 551,403,210 | 0.9100 | 605,937,593 | 14 | 1,166 | .013162464 |
| C | 591,164,850 | 0.8805 | 671,396,763 | 11 | 348 | .051910080 |
| C | 464,818,340 | 0.9939 | 467,671,134 | 10 | 76 | .001225288 |
| F1 | 5,547,696,760 | 0.9674 | 5,734,646,227 | 69 | 6,355 | .044015621 |
| F1 | 5,209,490,450 | 0.9864 | 5,281,316,352 | 10 | 1,123 | .004320109 |
| F1 | 5,430,157,450 | 0.9009 | 6,027,480,797 | 11 | 299 | .040470161 |
| F1 | 4,452,682,820 | 0.9415 | 4,729,349,782 | 9 | 51 | .007837663 |
| L1 | 2,389,393,180 | 1.0236 | 2,334,303,615 | 10 | 8,791 | .012967326 |
| L1 | 2,232,112,120 | 1.1177 | 1,997,058,352 | 10 | 1,127 | .019160482 |
| L1 | 2,253,245,820 | 1.0741 | 2,097,798,920 | 10 | 304 | .003817957 |
| L1 | 2,145,294,140 | 1.0060 | 2,132,499,145 | 9 | 71 | .020378128 |
| Random Totals: | 76,849,821,250 | 78,538,936,827 | 737 | 205,471 | ||
| Catg J Exception Values: | 1,098,936,575 | 1,304,746,712 | ||||
| Catg D1 Exception Values: | 3,564,134 | 3,803,844 | ||||
| Total Test Values (4): | 77,952,321,959 | 79,847,487,383 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,992,374,369 |
Confidence Interval Values (5)
| State Lower Limit: | 75,855,113,014 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 77,952,321,959 | (Within Confidence Interval) |
| State Upper Limit: | 83,839,861,752 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 70,895,740,583 | (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