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225/Titus
2017 Confidence Interval Detail
225/Titus
225-906/Chapel Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,569,795 | 1.0761 | 12,610,162 | 11 | 185 | .013235992 |
| A | 18,693,337 | 0.9703 | 19,265,523 | 15 | 143 | .023106956 |
| A | 16,128,190 | 0.8646 | 18,653,932 | 9 | 83 | .008875530 |
| A | 18,136,110 | 0.8966 | 20,227,649 | 14 | 61 | .013623026 |
| E | 54,099,150 | 0.9676 | 55,910,655 | 26 | 718 | .022587027 |
| Random Totals: | 120,626,582 | 126,667,921 | 75 | 1,190 | ||
| Catg D1 Exception Values: | 3,437,372 | 3,352,114 | ||||
| Total Test Values (4): | 124,063,954 | 130,020,035 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 6,501,001 |
Confidence Interval Values (5)
| State Lower Limit: | 123,519,034 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 124,063,954 | (Within Confidence Interval) |
| State Upper Limit: | 136,521,036 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 124,527,491 | (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, D2, E, 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