2012 Confidence Interval Detail
177/Nolan
177-902/Sweetwater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 49,438,890 | 0.9224 | 53,598,103 | 15 | 1,705 | .269859308 |
| A | 52,351,760 | 0.9305 | 56,261,967 | 11 | 907 | .152097507 |
| A | 55,318,160 | 0.9645 | 57,354,235 | 13 | 544 | .042997942 |
| A | 68,029,960 | 1.1610 | 58,596,003 | 10 | 356 | .034100511 |
| D3 | 34,036,340 | 1.0313 | 33,003,336 | 16 | 1,025 | .016839726 |
| F1 | 18,474,080 | 0.9407 | 19,638,652 | 15 | 283 | .043058910 |
| F1 | 18,478,900 | 0.9586 | 19,276,966 | 10 | 71 | .004712574 |
| F1 | 19,069,450 | 0.9013 | 21,157,717 | 7 | 22 | .051310533 |
| G1 | 47,569,098 | 0.9612 | 49,489,282 | 9 | 38 | .005303049 |
| L1 | 13,768,070 | 1.0280 | 13,393,064 | 9 | 169 | .004902046 |
| L1 | 15,553,890 | 1.0428 | 14,915,506 | 8 | 32 | .002542141 |
| L1 | 13,110,870 | 0.9786 | 13,397,578 | 4 | 6 | .029852293 |
| Random Totals: | 405,199,468 | 410,082,409 | 127 | 5,158 | ||
| Catg J Exception Values: | 41,489,350 | 43,052,577 | ||||
| Catg D1 Exception Values: | 4,933,680 | 5,095,863 | ||||
| Catg F1 Exception Values: | 17,298,174 | 16,578,249 | ||||
| Catg G1 Exception Values: | 33,134,882 | 32,498,754 | ||||
| Catg L1 Exception Values: | 15,502,789 | 15,835,039 | ||||
| Total Test Values (4): | 517,558,343 | 523,142,891 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 26,157,145 |
Confidence Interval Values (5)
| State Lower Limit: | 496,985,746 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 517,558,343 | (Within Confidence Interval) |
| State Upper Limit: | 549,300,036 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 657,730,810 | (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