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213/Somervell
2018 Confidence Interval Detail
213/Somervell
213-901/Glen Rose ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 76,577,685 | 0.9541 | 80,261,697 | 16 | 741 | .025781382 |
| A | 75,413,755 | 0.9516 | 79,249,427 | 11 | 413 | .016419899 |
| A | 77,062,160 | 0.9428 | 81,737,548 | 14 | 306 | .001718249 |
| A | 104,701,604 | 0.9519 | 109,992,230 | 13 | 284 | .006443982 |
| E | 227,323,502 | 0.9910 | 229,387,994 | 21 | 1,354 | .052410710 |
| F1 | 16,820,785 | 0.8032 | 20,942,212 | 10 | 111 | .047689735 |
| F1 | 16,198,895 | 0.9130 | 17,742,492 | 9 | 48 | .011893850 |
| F1 | 15,796,687 | 0.9186 | 17,196,481 | 7 | 20 | .024157888 |
| F1 | 15,671,516 | 0.9749 | 16,074,998 | 4 | 7 | .000658468 |
| L1 | 8,025,535 | 0.9583 | 8,374,763 | 9 | 109 | .009605735 |
| L1 | 9,364,850 | 0.8775 | 10,672,194 | 8 | 18 | .087902028 |
| Random Totals: | 642,956,974 | 671,632,036 | 122 | 3,411 | ||
| Catg J Exception Values: | 36,463,830 | 40,485,704 | ||||
| Catg D1 Exception Values: | 5,726,144 | 6,303,796 | ||||
| Catg L1 Exception Values: | 16,943,170 | 18,243,605 | ||||
| Total Test Values (4): | 702,090,118 | 736,665,141 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 36,833,257 |
Confidence Interval Values (5)
| State Lower Limit: | 699,831,884 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 702,090,118 | (Within Confidence Interval) |
| State Upper Limit: | 773,498,398 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,237,143,591 | (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