2010 Confidence Interval Detail
025/Brown
025-906/Zephyr ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,125,790 | 1.0232 | 1,100,264 | 11 | 42 | .007269639 |
| A | 1,284,150 | 0.9417 | 1,363,651 | 8 | 28 | .035907517 |
| A | 1,063,480 | 0.9900 | 1,074,222 | 8 | 16 | .003033102 |
| A | 1,332,410 | 0.9696 | 1,374,185 | 7 | 13 | .010062646 |
| D3 | 18,205,780 | 0.9997 | 18,211,243 | 31 | 773 | .020922765 |
| Random Totals: | 23,011,610 | 23,123,565 | 65 | 872 | ||
| Catg J Exception Values: | 6,854,890 | 6,720,070 | ||||
| Catg D1 Exception Values: | 3,286,480 | 3,243,402 | ||||
| Total Test Values (4): | 33,152,980 | 33,087,037 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,654,352 |
Confidence Interval Values (5)
| State Lower Limit: | 31,432,685 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 33,152,980 | (Within Confidence Interval) |
| State Upper Limit: | 34,741,389 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 32,516,251 | (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