2007 Confidence Interval Detail
129/Kaufman
129-901/Crandall ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 89,884,938 | 0.9539 | 94,228,890 | 36 | 889 | .011528394 |
| A | 89,874,920 | 0.9939 | 90,426,522 | 51 | 563 | .005751119 |
| A | 89,864,586 | 0.9893 | 90,836,537 | 19 | 444 | .003824082 |
| A | 89,663,660 | 1.0265 | 87,348,914 | 21 | 318 | .014114718 |
| D3 | 58,180,041 | 1.0211 | 56,977,809 | 17 | 1,493 | .050917575 |
| Random Totals: | 417,468,145 | 419,818,672 | 144 | 3,707 | ||
| Catg D1 Exception Values: | 5,897,684 | 4,299,213 | ||||
| Total Test Values (4): | 423,365,829 | 424,117,885 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 21,205,894 |
Confidence Interval Values (5)
| State Lower Limit: | 402,911,991 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 423,365,829 | (Within Confidence Interval) |
| State Upper Limit: | 445,323,779 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 459,544,350 | (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