2007 Confidence Interval Detail
014/Bell
014-910/Troy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 26,155,525 | 0.9689 | 26,995,072 | 17 | 425 | .054712742 |
| A | 26,113,452 | 0.9839 | 26,540,758 | 14 | 272 | .010056115 |
| A | 26,176,295 | 1.0257 | 25,520,420 | 14 | 201 | .025909258 |
| A | 26,029,792 | 1.0380 | 25,076,871 | 14 | 141 | .009815861 |
| D3 | 69,878,786 | 1.0350 | 67,515,735 | 20 | 2,412 | .025648897 |
| Random Totals: | 174,353,850 | 171,648,856 | 79 | 3,451 | ||
| Catg J Exception Values: | 20,905,357 | 20,870,376 | ||||
| Catg D1 Exception Values: | 10,327,848 | 9,275,623 | ||||
| Total Test Values (4): | 205,587,055 | 201,794,855 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 10,089,743 |
Confidence Interval Values (5)
| State Lower Limit: | 191,705,112 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 205,587,055 | (Within Confidence Interval) |
| State Upper Limit: | 211,884,598 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 210,409,829 | (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