2011 Confidence Interval Detail
152/Lubbock
152-909/Shallowater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 33,855,272 | 0.9935 | 34,076,771 | 10 | 617 | .016843011 |
| A | 33,446,484 | 0.9182 | 36,426,142 | 10 | 295 | .016006582 |
| A | 33,110,586 | 0.9389 | 35,265,296 | 10 | 186 | .007160235 |
| A | 38,885,907 | 0.9788 | 39,728,144 | 12 | 140 | .008152674 |
| G1 | 26,571,754 | 1.0046 | 26,450,084 | 8 | 32 | .002931722 |
| Random Totals: | 165,870,003 | 171,946,437 | 50 | 1,270 | ||
| Catg D1 Exception Values: | 14,643,336 | 13,182,143 | ||||
| Catg G1 Exception Values: | 30,243,959 | 29,740,372 | ||||
| Total Test Values (4): | 210,757,298 | 214,868,952 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 10,743,448 |
Confidence Interval Values (5)
| State Lower Limit: | 204,125,504 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 210,757,298 | (Within Confidence Interval) |
| State Upper Limit: | 225,612,400 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 253,041,967 | (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