2007 Confidence Interval Detail
152/Lubbock
152-906/Lubbock-Cooper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 208,907,541 | 0.9360 | 223,191,817 | 58 | 1,765 | .020160122 |
| A | 208,872,156 | 0.9967 | 209,563,716 | 58 | 1,061 | .017071680 |
| A | 208,774,539 | 0.9796 | 213,122,233 | 58 | 727 | .026796746 |
| A | 208,671,782 | 0.9750 | 214,022,341 | 58 | 431 | .015210199 |
| F1 | 20,849,186 | 0.9098 | 22,916,230 | 7 | 166 | .013437766 |
| F1 | 20,734,471 | 0.9867 | 21,013,957 | 6 | 47 | .001842947 |
| F1 | 21,140,777 | 0.9146 | 23,114,779 | 6 | 21 | .023814239 |
| F1 | 19,961,473 | 0.9653 | 20,679,036 | 3 | 6 | .004633918 |
| Random Totals: | 917,911,925 | 947,624,109 | 254 | 4,224 | ||
| Catg D1 Exception Values: | 20,770,700 | 14,076,399 | ||||
| Total Test Values (4): | 938,682,625 | 961,700,508 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 48,085,025 |
Confidence Interval Values (5)
| State Lower Limit: | 913,615,483 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 938,682,625 | (Within Confidence Interval) |
| State Upper Limit: | 1,009,785,533 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,089,550,944 | (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