2011 Confidence Interval Detail
050/Coryell
050-910/Copperas Cove ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 229,179,075 | 0.9514 | 240,886,141 | 19 | 3,444 | .023738918 |
| A | 216,885,376 | 0.9715 | 223,247,942 | 36 | 2,356 | .019223211 |
| A | 223,088,960 | 0.9102 | 245,098,835 | 31 | 1,766 | .010342301 |
| A | 274,729,092 | 0.9155 | 300,086,392 | 25 | 1,543 | .023523508 |
| B | 27,308,120 | 0.9484 | 28,793,884 | 10 | 328 | .110533510 |
| B | 25,621,669 | 1.0479 | 24,450,491 | 10 | 193 | .036769394 |
| B | 23,434,120 | 0.9119 | 25,698,125 | 9 | 126 | .031200165 |
| B | 36,096,130 | 0.9498 | 38,003,927 | 7 | 32 | .011023112 |
| F1 | 35,778,741 | 1.1692 | 30,601,044 | 9 | 135 | .023126017 |
| F1 | 37,730,932 | 1.1146 | 33,851,545 | 9 | 58 | .070182834 |
| F1 | 37,170,474 | 0.9556 | 38,897,524 | 8 | 21 | .051475405 |
| F1 | 31,402,960 | 1.0772 | 29,152,395 | 4 | 6 | .004637008 |
| Random Totals: | 1,198,425,649 | 1,258,768,245 | 177 | 10,008 | ||
| Catg D1 Exception Values: | 1,576,060 | 1,691,954 | ||||
| Total Test Values (4): | 1,200,001,709 | 1,260,460,199 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 63,023,010 |
Confidence Interval Values (5)
| State Lower Limit: | 1,197,437,189 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,200,001,709 | (Within Confidence Interval) |
| State Upper Limit: | 1,323,483,209 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,159,879,664 | (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