2010 Confidence Interval Detail
246/Williamson
246-906/Hutto ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 243,734,249 | 0.9627 | 253,177,780 | 53 | 2,083 | .004956242 |
| A | 243,818,070 | 0.9686 | 251,722,145 | 56 | 1,821 | .002998949 |
| A | 225,254,711 | 0.9878 | 228,036,759 | 58 | 1,429 | .003937812 |
| A | 228,567,380 | 0.9786 | 233,565,686 | 33 | 851 | .005997214 |
| D3 | 77,639,257 | 0.9877 | 78,606,112 | 16 | 1,335 | .030840772 |
| F1 | 38,481,856 | 0.9360 | 41,113,094 | 9 | 97 | .010094690 |
| F1 | 39,229,012 | 0.9805 | 40,009,191 | 8 | 35 | .000228509 |
| F1 | 32,733,951 | 0.9673 | 33,840,537 | 5 | 12 | .001273168 |
| L1 | 17,883,363 | 0.9537 | 18,751,560 | 11 | 123 | .007664560 |
| L1 | 16,227,988 | 0.9500 | 17,082,093 | 6 | 11 | .014636255 |
| L1 | 19,621,703 | 0.9276 | 21,153,194 | 2 | 3 | .014021388 |
| Random Totals: | 1,183,191,540 | 1,217,058,151 | 257 | 7,800 | ||
| Catg J Exception Values: | 24,938,687 | 24,253,042 | ||||
| Catg D1 Exception Values: | 11,265,587 | 9,636,662 | ||||
| Catg F1 Exception Values: | 26,768,862 | 25,955,000 | ||||
| Total Test Values (4): | 1,246,164,676 | 1,276,902,855 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 63,845,143 |
Confidence Interval Values (5)
| State Lower Limit: | 1,213,057,712 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,246,164,676 | (Within Confidence Interval) |
| State Upper Limit: | 1,340,747,998 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,378,919,252 | (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