2007 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 14,590,443 | 1.0454 | 13,956,804 | 7 | 353 | .079615029 |
| A | 14,558,365 | 0.9825 | 14,817,674 | 7 | 203 | .027922489 |
| A | 14,579,835 | 0.9069 | 16,076,563 | 8 | 139 | .002847460 |
| A | 14,486,083 | 0.9875 | 14,669,451 | 7 | 77 | .020389194 |
| C | 8,225,179 | 0.9743 | 8,442,142 | 6 | 529 | .127320736 |
| C | 2,187,969 | 0.9960 | 2,196,756 | 7 | 69 | .043844677 |
| C | 3,141,487 | 0.9879 | 3,179,965 | 8 | 74 | .062009166 |
| C | 3,698,329 | 1.0140 | 3,647,267 | 6 | 56 | .015692958 |
| D3 | 68,352,180 | 0.9041 | 75,602,455 | 19 | 1,921 | .094597521 |
| Random Totals: | 143,819,870 | 152,589,077 | 75 | 3,421 | ||
| Catg J Exception Values: | 7,172,336 | 6,917,333 | ||||
| Catg D1 Exception Values: | 5,685,430 | 5,329,504 | ||||
| Total Test Values (4): | 156,677,636 | 164,835,914 |
Margin of Error
| Margin of Error Percent: | 7.0022738 |
|---|---|
| Margin of Error Value: | 11,542,262 |
Confidence Interval Values (5)
| State Lower Limit: | 153,293,652 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 156,677,636 | (Within Confidence Interval) |
| State Upper Limit: | 176,378,176 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 172,995,061 | (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