2007 Confidence Interval Detail
170/Montgomery
093-905/Richards ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,070,879 | 0.9086 | 2,279,198 | 15 | 50 | .006829333 |
| A | 2,120,615 | 0.8844 | 2,397,801 | 14 | 26 | .015556099 |
| A | 1,946,856 | 0.9506 | 2,048,029 | 10 | 15 | .018747405 |
| A | 2,033,971 | 1.1095 | 1,833,232 | 6 | 7 | .018603944 |
| D3 | 4,767,270 | 1.0111 | 4,714,934 | 21 | 612 | .032071883 |
| Random Totals: | 12,939,591 | 13,273,194 | 66 | 710 | ||
| Catg D1 Exception Values: | 3,033,820 | 2,827,237 | ||||
| Total Test Values (4): | 15,973,411 | 16,100,431 |
Margin of Error
| Margin of Error Percent: | 5.0000028 |
|---|---|
| Margin of Error Value: | 805,022 |
Confidence Interval Values (5)
| State Lower Limit: | 15,295,409 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 15,973,411 | (Within Confidence Interval) |
| State Upper Limit: | 16,905,453 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 15,098,138 | (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