2010 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 | 12,541,760 | 0.9653 | 12,992,603 | 13 | 545 | .068752655 |
| A | 10,142,020 | 0.9573 | 10,594,401 | 12 | 217 | .049659220 |
| A | 9,804,490 | 0.9574 | 10,240,746 | 12 | 124 | .005505944 |
| A | 11,961,270 | 0.9431 | 12,682,929 | 11 | 87 | .004766701 |
| D3 | 10,868,960 | 0.9747 | 11,151,082 | 20 | 843 | .090123428 |
| F1 | 2,014,170 | 0.9731 | 2,069,849 | 10 | 80 | .008174713 |
| F1 | 1,727,040 | 0.9845 | 1,754,231 | 8 | 25 | .008322282 |
| F1 | 1,980,740 | 0.9851 | 2,010,699 | 8 | 16 | .001820446 |
| L1 | 854,490 | 1.0703 | 798,365 | 9 | 50 | .100974199 |
| L1 | 1,170,850 | 0.9225 | 1,269,214 | 6 | 15 | .027785492 |
| L1 | 1,236,050 | 1.0089 | 1,225,146 | 5 | 5 | .000223589 |
| Random Totals: | 64,301,840 | 66,789,265 | 114 | 2,007 | ||
| Catg J Exception Values: | 5,818,086 | 6,310,811 | ||||
| Catg D1 Exception Values: | 9,551,610 | 9,984,187 | ||||
| Catg F1 Exception Values: | 1,616,630 | 1,615,412 | ||||
| Total Test Values (4): | 81,288,166 | 84,699,675 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 4,234,984 |
Confidence Interval Values (5)
| State Lower Limit: | 80,464,691 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 81,288,166 | (Within Confidence Interval) |
| State Upper Limit: | 88,934,659 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 69,222,041 | (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