2009 Confidence Interval Detail
157/Mason
157-901/Mason ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,252,640 | 1.0403 | 17,545,554 | 13 | 313 | .025382714 |
| A | 21,374,940 | 0.9740 | 21,945,524 | 13 | 242 | .023706316 |
| A | 24,524,250 | 0.8137 | 30,139,179 | 13 | 197 | .042196294 |
| A | 27,236,280 | 0.9511 | 28,636,610 | 12 | 122 | .003249938 |
| D3 | 111,378,640 | 0.9079 | 122,677,211 | 27 | 8,235 | .047644632 |
| F1 | 5,804,060 | 0.9495 | 6,112,754 | 7 | 91 | .016232744 |
| F1 | 5,782,540 | 1.0349 | 5,587,535 | 6 | 37 | .018948728 |
| F1 | 6,973,530 | 1.0061 | 6,931,249 | 5 | 25 | .021122683 |
| F1 | 4,710,000 | 0.9813 | 4,799,755 | 4 | 8 | .004849910 |
| Random Totals: | 226,036,880 | 244,375,371 | 100 | 9,270 | ||
| Catg J Exception Values: | 4,922,402 | 4,388,009 | ||||
| Catg D1 Exception Values: | 32,918,100 | 31,629,844 | ||||
| Total Test Values (4): | 263,877,382 | 280,393,224 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,019,661 |
Confidence Interval Values (5)
| Local Test Value: | 263,877,382 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 266,373,563 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 294,412,885 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 247,655,874 | (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
