2007 Confidence Interval Detail
093/Grimes
093-905/Richards ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,444,422 | 1.0279 | 1,405,216 | 6 | 57 | .004516855 |
| A | 1,423,484 | 0.9232 | 1,541,902 | 6 | 26 | .029572192 |
| A | 1,461,139 | 1.0435 | 1,400,229 | 5 | 16 | .006384625 |
| A | 1,308,443 | 0.9978 | 1,311,328 | 4 | 9 | .039021959 |
| D3 | 14,996,160 | 1.0511 | 14,267,111 | 20 | 642 | .019964624 |
| G1 | 28,748,916 | 0.9765 | 29,440,774 | 20 | 27 | .010772810 |
| Random Totals: | 49,382,564 | 49,366,560 | 61 | 777 | ||
| Catg J Exception Values: | 5,343,710 | 5,125,365 | ||||
| Catg D1 Exception Values: | 2,162,053 | 2,121,196 | ||||
| Total Test Values (4): | 56,888,327 | 56,613,121 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,830,656 |
Confidence Interval Values (5)
| State Lower Limit: | 53,782,465 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 56,888,327 | (Within Confidence Interval) |
| State Upper Limit: | 59,443,777 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 64,074,884 | (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