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057/Dallas
2018 Confidence Interval Detail
057/Dallas
057-919/Sunnyvale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 200,542,870 | 0.9599 | 208,920,585 | 18 | 644 | .029293786 |
| A | 200,128,250 | 0.9658 | 207,215,003 | 12 | 505 | .005557226 |
| A | 200,394,270 | 0.9943 | 201,543,065 | 19 | 431 | .002375898 |
| A | 200,060,210 | 1.0104 | 198,001,000 | 15 | 307 | .008630413 |
| F1 | 33,062,510 | 0.8241 | 40,119,536 | 11 | 44 | .045838802 |
| F1 | 33,921,210 | 0.9235 | 36,731,142 | 6 | 15 | .030043755 |
| L1 | 19,382,000 | 1.0133 | 19,127,603 | 10 | 37 | .000628227 |
| L1 | 8,925,740 | 0.9791 | 9,116,270 | 4 | 4 | .000726154 |
| Random Totals: | 896,417,060 | 920,774,204 | 95 | 1,987 | ||
| Catg D1 Exception Values: | 432,587 | 381,130 | ||||
| Catg F1 Exception Values: | 97,479,160 | 104,195,604 | ||||
| Catg L1 Exception Values: | 86,816,800 | 86,386,638 | ||||
| Total Test Values (4): | 1,081,145,607 | 1,111,737,576 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 55,586,878 |
Confidence Interval Values (5)
| State Lower Limit: | 1,056,150,698 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,081,145,607 | (Within Confidence Interval) |
| State Upper Limit: | 1,167,324,454 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,192,690,429 | (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, 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