2008 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 | 209,112,775 | 0.9557 | 218,805,875 | 25 | 1,755 | .004550066 |
| A | 248,320,642 | 0.9951 | 249,543,405 | 25 | 1,793 | .002582163 |
| A | 229,989,690 | 1.0170 | 226,145,221 | 25 | 1,417 | .003515968 |
| A | 218,552,735 | 0.9888 | 221,028,251 | 25 | 804 | .003425846 |
| D3 | 92,082,771 | 1.0162 | 90,614,811 | 21 | 1,306 | .010908932 |
| F1 | 32,427,091 | 1.0986 | 29,516,740 | 6 | 91 | .032903936 |
| F1 | 35,997,139 | 0.7935 | 45,365,014 | 6 | 35 | .242719722 |
| F1 | 40,170,139 | 1.0345 | 38,830,487 | 4 | 14 | .008944641 |
| F1 | 42,343,680 | 1.0351 | 40,907,816 | 2 | 4 | .012357016 |
| L1 | 14,158,032 | 1.0157 | 13,939,187 | 9 | 121 | .007627940 |
| L1 | 9,612,047 | 0.9677 | 9,932,879 | 6 | 15 | .000360802 |
| L1 | 9,805,303 | 1.0262 | 9,554,963 | 3 | 4 | .000155574 |
| Random Totals: | 1,182,572,044 | 1,194,184,649 | 157 | 7,359 | ||
| Catg D1 Exception Values: | 8,581,934 | 7,608,992 | ||||
| Catg L1 Exception Values: | 31,152,009 | 31,385,567 | ||||
| Total Test Values (4): | 1,222,305,987 | 1,233,179,208 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 61,658,960 |
Confidence Interval Values (5)
| State Lower Limit: | 1,171,520,248 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,222,305,987 | (Within Confidence Interval) |
| State Upper Limit: | 1,294,838,168 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,352,777,190 | (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