2011 Confidence Interval Detail
216/Sterling
216-901/Sterling City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,169,760 | 0.7447 | 4,256,425 | 16 | 149 | .062507190 |
| A | 3,165,240 | 0.8265 | 3,829,691 | 14 | 74 | .037966992 |
| A | 3,241,030 | 0.8063 | 4,019,633 | 15 | 50 | .038453878 |
| A | 3,088,630 | 0.7285 | 4,239,712 | 13 | 22 | .039473363 |
| G1 | 71,936,539 | 1.0468 | 68,720,423 | 11 | 393 | .050525510 |
| G1 | 72,060,820 | 1.0313 | 69,873,771 | 10 | 106 | .012951603 |
| G1 | 73,779,369 | 1.0100 | 73,048,880 | 8 | 42 | .001839725 |
| G1 | 69,702,585 | 1.0027 | 69,514,895 | 6 | 12 | .001203319 |
| Random Totals: | 300,143,973 | 297,503,430 | 93 | 848 | ||
| Catg J Exception Values: | 6,145,518 | 6,538,368 | ||||
| Catg D1 Exception Values: | 9,752,930 | 16,255,089 | ||||
| Total Test Values (4): | 316,042,421 | 320,296,887 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 16,014,844 |
Confidence Interval Values (5)
| State Lower Limit: | 304,282,043 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 316,042,421 | (Within Confidence Interval) |
| State Upper Limit: | 336,311,731 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 446,266,055 | (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