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057/Dallas
2018 Confidence Interval Detail
057/Dallas
057-916/Richardson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,797,500,530 | 0.9431 | 4,026,614,919 | 250 | 17,965 | .016266165 |
| A | 3,798,141,960 | 0.9724 | 3,905,946,072 | 250 | 12,268 | .011474743 |
| A | 3,796,093,900 | 0.9760 | 3,889,440,471 | 250 | 9,247 | .017229484 |
| A | 3,796,971,690 | 0.9734 | 3,900,731,138 | 250 | 6,266 | .013626904 |
| B | 607,055,680 | 0.9607 | 631,888,914 | 28 | 576 | .002049813 |
| B | 699,550,200 | 0.8618 | 811,731,492 | 9 | 58 | .055179510 |
| B | 688,780,890 | 0.8649 | 796,370,552 | 8 | 30 | .046915354 |
| B | 860,397,410 | 1.0227 | 841,299,902 | 6 | 18 | .005258349 |
| F1 | 1,324,445,650 | 0.9108 | 1,454,156,401 | 20 | 898 | .031478139 |
| F1 | 1,372,094,350 | 1.0537 | 1,302,167,932 | 9 | 259 | .137681899 |
| F1 | 1,330,463,820 | 0.8592 | 1,548,491,411 | 10 | 78 | .029756253 |
| F1 | 1,290,038,680 | 0.8311 | 1,552,206,329 | 8 | 19 | .055915742 |
| L1 | 489,971,440 | 1.0341 | 473,814,370 | 12 | 2,005 | .002473075 |
| L1 | 479,506,000 | 0.9829 | 487,848,204 | 11 | 238 | .003027864 |
| L1 | 557,079,520 | 1.0100 | 551,563,881 | 10 | 57 | .006494813 |
| L1 | 444,014,620 | 0.9811 | 452,568,158 | 4 | 7 | .017965053 |
| Random Totals: | 25,332,106,340 | 26,626,840,146 | 1,135 | 49,989 | ||
| Catg J Exception Values: | 131,760,683 | 146,306,990 | ||||
| Catg D1 Exception Values: | 2,974 | 2,791 | ||||
| Total Test Values (4): | 25,463,869,997 | 26,773,149,927 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,338,657,496 |
Confidence Interval Values (5)
| State Lower Limit: | 25,434,492,431 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 25,463,869,997 | (Within Confidence Interval) |
| State Upper Limit: | 28,111,807,423 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 23,393,855,128 | (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, D2, E, 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