2010 Confidence Interval Detail
039/Clay
039-902/Henrietta ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 33,625,890 | 1.0620 | 31,662,797 | 16 | 759 | .016003570 |
| A | 34,077,380 | 0.9734 | 35,008,609 | 14 | 419 | .003098292 |
| A | 38,428,850 | 1.0017 | 38,363,632 | 14 | 330 | .003820775 |
| A | 35,960,980 | 0.9371 | 38,374,752 | 12 | 195 | .016469395 |
| D3 | 39,050,600 | 0.9728 | 40,142,475 | 31 | 3,065 | .084010735 |
| G1 | 1,879,350 | 0.8849 | 2,123,799 | 5 | 10 | .051735090 |
| G1 | 1,823,530 | 1.0290 | 1,772,138 | 4 | 6 | .000260892 |
| G1 | 1,832,840 | 0.9530 | 1,923,232 | 3 | 4 | .002891085 |
| Random Totals: | 186,679,420 | 189,371,434 | 99 | 4,788 | ||
| Catg J Exception Values: | 50,693,149 | 49,664,598 | ||||
| Catg D1 Exception Values: | 18,082,930 | 18,005,880 | ||||
| Catg G1 Exception Values: | 23,430,960 | 21,858,319 | ||||
| Total Test Values (4): | 278,886,459 | 278,900,231 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 13,945,012 |
Confidence Interval Values (5)
| State Lower Limit: | 264,955,219 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 278,886,459 | (Within Confidence Interval) |
| State Upper Limit: | 292,845,243 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 316,026,923 | (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