2011 Confidence Interval Detail
152/Lubbock
152-910/Idalou ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 22,063,241 | 0.7960 | 27,717,639 | 11 | 396 | .098823722 |
| A | 21,831,530 | 1.0737 | 20,332,989 | 10 | 207 | .084564899 |
| A | 22,617,061 | 1.1283 | 20,045,255 | 12 | 153 | .018302241 |
| A | 22,773,857 | 1.1406 | 19,966,559 | 10 | 93 | .030255974 |
| D3 | 22,109,223 | 0.9265 | 23,863,166 | 16 | 877 | .005481167 |
| F1 | 2,971,737 | 0.9943 | 2,988,773 | 8 | 48 | .037588507 |
| F1 | 3,380,002 | 0.9739 | 3,470,584 | 6 | 14 | .003921853 |
| F1 | 3,076,511 | 1.0170 | 3,025,085 | 3 | 5 | .000805783 |
| G1 | 29,260,657 | 1.0239 | 28,577,651 | 4 | 5 | .001409528 |
| L1 | 8,968,440 | 0.9941 | 9,021,668 | 10 | 56 | .009682178 |
| L1 | 12,326,384 | 0.9675 | 12,740,449 | 5 | 12 | .005664289 |
| L1 | 13,133,965 | 0.9648 | 13,613,148 | 3 | 5 | .011683637 |
| Random Totals: | 184,512,608 | 185,362,966 | 98 | 1,871 | ||
| Catg D1 Exception Values: | 27,297,527 | 24,938,960 | ||||
| Catg F1 Exception Values: | 2,422,802 | 2,423,873 | ||||
| Total Test Values (4): | 214,232,937 | 212,725,799 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,636,290 |
Confidence Interval Values (5)
| State Lower Limit: | 202,089,509 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 214,232,937 | (Within Confidence Interval) |
| State Upper Limit: | 223,362,089 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 211,588,566 | (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
