2009 Confidence Interval Detail
101/Harris
101-925/Huffman ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 161,790,627 | 1.0096 | 160,252,206 | 33 | 1,735 | .020397859 |
| A | 162,770,133 | 1.0132 | 160,649,559 | 32 | 991 | .020342763 |
| A | 170,464,977 | 0.9724 | 175,303,349 | 21 | 663 | .005172508 |
| A | 154,932,751 | 1.0036 | 154,376,994 | 20 | 403 | .034151865 |
| C | 15,149,774 | 1.0446 | 14,502,943 | 15 | 1,490 | .026993712 |
| C | 15,233,940 | 0.9739 | 15,642,201 | 7 | 582 | .010714333 |
| C | 14,159,345 | 0.8787 | 16,113,970 | 7 | 305 | .013676889 |
| C | 18,086,707 | 0.8518 | 21,233,514 | 7 | 171 | .046011985 |
| Random Totals: | 712,588,254 | 718,074,736 | 142 | 6,340 | ||
| Catg D1 Exception Values: | 2,506,300 | 2,241,266 | ||||
| Total Test Values (4): | 715,094,554 | 720,316,002 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 36,015,800 |
Confidence Interval Values (5)
| State Lower Limit: | 684,300,202 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 715,094,554 | (Within Confidence Interval) |
| State Upper Limit: | 756,331,802 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 766,405,183 | (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
