2008 Confidence Interval Detail
028/Caldwell
028-906/Prairie Lea ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,821,170 | 0.8319 | 4,593,304 | 7 | 86 | .020676402 |
| A | 4,400,200 | 0.9318 | 4,722,258 | 6 | 59 | .013323772 |
| A | 4,556,460 | 0.9980 | 4,565,591 | 6 | 39 | .009342218 |
| A | 2,041,870 | 0.9417 | 2,168,281 | 5 | 11 | .001113040 |
| D3 | 20,457,595 | 0.9730 | 21,025,277 | 20 | 755 | .020653388 |
| G1 | 7,044,700 | 0.9991 | 7,051,046 | 7 | 15 | .000078299 |
| G1 | 5,943,571 | 1.0065 | 5,905,187 | 4 | 5 | .000166380 |
| G1 | 9,208,822 | 1.0037 | 9,174,875 | 3 | 4 | .000037917 |
| Random Totals: | 57,474,388 | 59,205,819 | 58 | 974 | ||
| Catg J Exception Values: | 1,233,730 | 1,190,176 | ||||
| Catg D1 Exception Values: | 1,357,714 | 1,388,996 | ||||
| Catg G1 Exception Values: | 3,396,950 | 3,386,359 | ||||
| Total Test Values (4): | 63,462,782 | 65,171,350 |
Margin of Error
| Margin of Error Percent: | 5.0000008 |
|---|---|
| Margin of Error Value: | 3,258,568 |
Confidence Interval Values (5)
| State Lower Limit: | 61,912,782 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 63,462,782 | (Within Confidence Interval) |
| State Upper Limit: | 68,429,918 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 72,320,267 | (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