2009 Confidence Interval Detail
123/Jefferson
123-905/Nederland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 228,795,530 | 0.9633 | 237,512,229 | 25 | 2,870 | .001540512 |
| A | 249,447,850 | 0.9673 | 257,880,544 | 38 | 2,178 | .002040029 |
| A | 264,933,620 | 0.9836 | 269,350,976 | 37 | 1,656 | .001497124 |
| A | 275,634,970 | 0.9786 | 281,662,549 | 28 | 1,060 | .001594725 |
| F1 | 54,410,120 | 0.9611 | 56,612,340 | 13 | 330 | .014806138 |
| F1 | 52,874,950 | 0.9634 | 54,883,693 | 13 | 108 | .005133479 |
| F1 | 55,716,100 | 1.0257 | 54,320,074 | 10 | 40 | .006820897 |
| F1 | 51,254,450 | 0.9854 | 52,013,852 | 7 | 15 | .005705125 |
| L1 | 42,718,190 | 1.0118 | 42,219,994 | 13 | 356 | .001708922 |
| L1 | 39,288,960 | 0.9827 | 39,980,625 | 10 | 36 | .003521045 |
| L1 | 50,056,510 | 1.0007 | 50,021,495 | 7 | 18 | .000020841 |
| L1 | 38,870,670 | 0.9583 | 40,562,110 | 3 | 4 | .009233555 |
| Random Totals: | 1,404,001,920 | 1,437,020,481 | 204 | 8,671 | ||
| Catg D1 Exception Values: | 73,650 | 63,984 | ||||
| Total Test Values (4): | 1,404,075,570 | 1,437,084,465 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 71,854,223 |
Confidence Interval Values (5)
| State Lower Limit: | 1,365,230,242 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,404,075,570 | (Within Confidence Interval) |
| State Upper Limit: | 1,508,938,688 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,810,024,435 | (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