2008 Confidence Interval Detail
098/Hansford
098-904/Spearman ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 10,432,851 | 0.9025 | 11,559,946 | 15 | 391 | .040109038 |
| A | 15,722,828 | 0.9486 | 16,574,771 | 15 | 333 | .022713688 |
| A | 11,231,149 | 1.0180 | 11,032,563 | 9 | 144 | .054138668 |
| A | 18,755,805 | 1.0375 | 18,077,884 | 7 | 149 | .045821363 |
| D3 | 9,673,995 | 1.0915 | 8,863,028 | 10 | 1,203 | .065876573 |
| G1 | 41,615,180 | 0.9809 | 42,425,507 | 15 | 154 | .021454270 |
| G1 | 41,406,730 | 1.0206 | 40,570,968 | 15 | 76 | .005034930 |
| G1 | 41,615,380 | 1.0295 | 40,422,904 | 15 | 42 | .011506070 |
| G1 | 41,081,570 | 1.0428 | 39,395,445 | 14 | 21 | .013638421 |
| Random Totals: | 231,535,488 | 228,923,016 | 115 | 2,513 | ||
| Catg J Exception Values: | 7,459,671 | 9,601,541 | ||||
| Catg D1 Exception Values: | 18,583,670 | 20,913,152 | ||||
| Total Test Values (4): | 257,578,829 | 259,437,709 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,971,885 |
Confidence Interval Values (5)
| State Lower Limit: | 246,465,824 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 257,578,829 | (Within Confidence Interval) |
| State Upper Limit: | 272,409,594 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 312,355,431 | (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
