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227/Travis
2018 Confidence Interval Detail
227/Travis
246-909/Round Rock ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,183,126,239 | 0.9814 | 1,205,549,459 | 152 | 4,200 | .008807383 |
| A | 1,221,702,419 | 0.9890 | 1,235,290,616 | 136 | 2,971 | .005452110 |
| A | 1,246,505,505 | 0.9574 | 1,301,969,402 | 106 | 2,444 | .013253491 |
| A | 1,326,810,946 | 0.9741 | 1,362,089,052 | 79 | 1,983 | .022945703 |
| B | 184,467,701 | 0.9788 | 188,463,119 | 9 | 103 | .000917681 |
| B | 279,472,772 | 0.9569 | 292,060,583 | 4 | 9 | .001483867 |
| B | 208,340,140 | 0.9759 | 213,485,132 | 4 | 5 | .000993185 |
| B | 828,463,224 | 0.9386 | 882,658,453 | 3 | 10 | .005660059 |
| F1 | 527,476,413 | 0.9457 | 557,762,941 | 9 | 124 | .003390545 |
| F1 | 590,621,771 | 0.9543 | 618,905,764 | 8 | 41 | .000628493 |
| F1 | 533,679,435 | 0.9543 | 559,236,545 | 5 | 11 | .000714267 |
| L1 | 117,719,914 | 0.9935 | 118,490,100 | 12 | 244 | .052896232 |
| L1 | 106,369,040 | 0.9309 | 114,264,733 | 10 | 40 | .009816898 |
| L1 | 100,722,176 | 0.9679 | 104,062,585 | 6 | 11 | .001471323 |
| Random Totals: | 8,455,477,695 | 8,754,288,484 | 543 | 12,196 | ||
| Catg D1 Exception Values: | 176,980 | 90,759 | ||||
| Catg F1 Exception Values: | 411,704,258 | 414,508,901 | ||||
| Catg L1 Exception Values: | 57,795,723 | 58,804,030 | ||||
| Total Test Values (4): | 8,925,154,656 | 9,227,692,174 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 461,384,608 |
Confidence Interval Values (5)
| State Lower Limit: | 8,766,307,566 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,925,154,656 | (Within Confidence Interval) |
| State Upper Limit: | 9,689,076,782 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,794,905,159 | (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