2010 Confidence Interval Detail
246/Williamson
246-905/Granger ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,538,302 | 0.8721 | 10,937,165 | 11 | 222 | .034233327 |
| A | 12,941,537 | 0.9525 | 13,586,915 | 10 | 177 | .026709996 |
| A | 10,864,037 | 0.9413 | 11,541,524 | 12 | 102 | .025846659 |
| A | 11,470,515 | 1.0690 | 10,730,136 | 9 | 59 | .013497127 |
| D3 | 36,821,022 | 0.9690 | 37,998,991 | 24 | 1,601 | .022043905 |
| F1 | 1,930,527 | 1.0057 | 1,919,585 | 7 | 28 | .001403117 |
| F1 | 1,283,838 | 1.0036 | 1,279,233 | 6 | 10 | .000582906 |
| F1 | 2,238,834 | 1.0063 | 2,224,818 | 4 | 9 | .000289969 |
| F1 | 1,057,917 | 0.9883 | 1,070,441 | 2 | 2 | .000454799 |
| Random Totals: | 88,146,529 | 91,288,808 | 85 | 2,210 | ||
| Catg J Exception Values: | 6,404,871 | 6,415,065 | ||||
| Catg D1 Exception Values: | 17,033,888 | 14,550,939 | ||||
| Total Test Values (4): | 111,585,288 | 112,254,812 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 5,612,741 |
Confidence Interval Values (5)
| State Lower Limit: | 106,642,071 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 111,585,288 | (Within Confidence Interval) |
| State Upper Limit: | 117,867,553 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 103,972,564 | (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