2008 Confidence Interval Detail
245/Willacy
245-904/San Perlita ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,411,631 | 0.9754 | 6,573,335 | 15 | 275 | .019914567 |
| A | 6,717,780 | 0.9587 | 7,007,176 | 15 | 147 | .031785917 |
| A | 6,866,574 | 0.9945 | 6,904,549 | 15 | 87 | .024074617 |
| A | 8,645,013 | 0.9666 | 8,943,734 | 13 | 57 | .007713232 |
| C | 1,098,856 | 0.9239 | 1,189,367 | 8 | 232 | .023600409 |
| C | 961,988 | 0.9969 | 964,979 | 6 | 88 | .004843212 |
| C | 942,577 | 0.9948 | 947,504 | 7 | 35 | .013648599 |
| C | 902,795 | 0.9761 | 924,900 | 5 | 18 | .000026410 |
| D3 | 3,447,410 | 0.9859 | 3,496,714 | 20 | 623 | .006496851 |
| Random Totals: | 35,994,624 | 36,952,258 | 104 | 1,562 | ||
| Catg J Exception Values: | 1,652,756 | 1,626,322 | ||||
| Catg D1 Exception Values: | 16,794,255 | 16,889,954 | ||||
| Total Test Values (4): | 54,441,635 | 55,509,150 |
Margin of Error
| Margin of Error Percent: | 5.0000009 |
|---|---|
| Margin of Error Value: | 2,775,458 |
Confidence Interval Values (5)
| State Lower Limit: | 52,733,692 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 54,441,635 | (Within Confidence Interval) |
| State Upper Limit: | 58,284,608 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 61,001,459 | (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