2008 Confidence Interval Detail
234/Van Zandt
234-905/Martins Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,589,570 | 0.8729 | 5,257,842 | 9 | 97 | .087599155 |
| A | 4,145,790 | 0.9189 | 4,511,688 | 8 | 50 | .012035846 |
| A | 4,925,230 | 0.8150 | 6,043,227 | 7 | 40 | .133819773 |
| A | 4,347,670 | 0.9485 | 4,583,732 | 6 | 23 | .038808474 |
| D3 | 61,449,860 | 0.9292 | 66,132,006 | 42 | 1,884 | .174447810 |
| Random Totals: | 79,458,120 | 86,528,495 | 72 | 2,094 | ||
| Catg D1 Exception Values: | 4,283,140 | 2,762,744 | ||||
| Total Test Values (4): | 83,741,260 | 89,291,239 |
Margin of Error
| Margin of Error Percent: | 9.6632974 |
|---|---|
| Margin of Error Value: | 8,628,478 |
Confidence Interval Values (5)
| State Lower Limit: | 80,662,761 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 83,741,260 | (Within Confidence Interval) |
| State Upper Limit: | 97,919,717 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 85,289,091 | (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