2009 Confidence Interval Detail
086/Gillespie
086-902/Harper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 9,799,319 | 0.9725 | 10,076,421 | 7 | 135 | .041299162 |
| A | 9,162,790 | 1.0185 | 8,996,357 | 6 | 79 | .012780742 |
| A | 9,110,641 | 0.9442 | 9,649,058 | 6 | 58 | .006336537 |
| A | 11,548,690 | 0.9268 | 12,460,822 | 6 | 45 | .009658386 |
| D3 | 223,734,564 | 0.9823 | 227,766,023 | 26 | 3,847 | .089544728 |
| Random Totals: | 263,356,004 | 268,948,681 | 51 | 4,164 | ||
| Catg D1 Exception Values: | 8,392,022 | 9,304,242 | ||||
| Total Test Values (4): | 271,748,026 | 278,252,923 |
Margin of Error
| Margin of Error Percent: | 9.6510070 |
|---|---|
| Margin of Error Value: | 26,854,209 |
Confidence Interval Values (5)
| State Lower Limit: | 251,398,714 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 271,748,026 | (Within Confidence Interval) |
| State Upper Limit: | 305,107,132 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 240,716,485 | (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