2009 Confidence Interval Detail
127/Jones
127-906/Stamford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 10,743,390 | 1.0335 | 10,395,152 | 17 | 518 | .174319954 |
| A | 12,592,810 | 0.9595 | 13,124,346 | 15 | 301 | .050726462 |
| A | 12,240,880 | 1.0285 | 11,901,682 | 15 | 166 | .005994553 |
| A | 14,797,660 | 1.0003 | 14,793,222 | 16 | 108 | .009252218 |
| D3 | 7,904,040 | 1.0236 | 7,721,805 | 27 | 839 | .059096290 |
| F1 | 1,278,970 | 0.8994 | 1,422,026 | 6 | 69 | .203560596 |
| F1 | 1,973,730 | 0.9120 | 2,164,178 | 6 | 36 | .001626346 |
| F1 | 2,448,340 | 0.9347 | 2,619,386 | 5 | 21 | .005181256 |
| F1 | 1,874,260 | 0.8879 | 2,110,891 | 2 | 4 | .015668733 |
| L1 | 1,083,080 | 0.9902 | 1,093,799 | 6 | 58 | .004285221 |
| L1 | 824,940 | 0.9700 | 850,454 | 5 | 12 | .000272428 |
| L1 | 819,880 | 0.9897 | 828,413 | 4 | 6 | .000379016 |
| Random Totals: | 68,581,980 | 69,025,354 | 124 | 2,138 | ||
| Catg J Exception Values: | 6,488,209 | 5,803,295 | ||||
| Catg D1 Exception Values: | 8,041,840 | 9,943,821 | ||||
| Catg L1 Exception Values: | 941,150 | 916,648 | ||||
| Total Test Values (4): | 84,053,179 | 85,689,118 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,284,456 |
Confidence Interval Values (5)
| State Lower Limit: | 81,404,662 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 84,053,179 | (Within Confidence Interval) |
| State Upper Limit: | 89,973,574 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 69,978,547 | (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