2009 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 | 227,971,806 | 0.9127 | 249,777,370 | 53 | 3,410 | .004759629 |
| A | 203,161,480 | 0.9465 | 214,644,987 | 43 | 2,225 | .008124678 |
| A | 232,512,260 | 0.9823 | 236,701,883 | 57 | 1,888 | .004050241 |
| A | 216,081,085 | 0.9986 | 216,384,023 | 54 | 1,224 | .003638325 |
| B | 30,131,326 | 1.0638 | 28,324,240 | 9 | 338 | .011705818 |
| B | 30,147,150 | 1.0294 | 29,286,138 | 8 | 204 | .001818389 |
| B | 25,391,010 | 1.0180 | 24,942,053 | 7 | 120 | .005705173 |
| B | 28,095,140 | 0.9524 | 29,499,307 | 6 | 31 | .000266398 |
| F1 | 36,559,831 | 0.9858 | 37,086,459 | 7 | 142 | .004066936 |
| F1 | 36,605,069 | 1.0167 | 36,003,805 | 6 | 58 | .004795656 |
| F1 | 38,693,657 | 0.9623 | 40,209,557 | 5 | 22 | .000996202 |
| F1 | 35,582,170 | 0.9930 | 35,833,001 | 4 | 7 | .000757066 |
| Random Totals: | 1,140,931,984 | 1,178,692,823 | 259 | 9,669 | ||
| Catg D1 Exception Values: | 1,576,220 | 1,446,765 | ||||
| Total Test Values (4): | 1,142,508,204 | 1,180,139,588 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 59,006,979 |
Confidence Interval Values (5)
| State Lower Limit: | 1,121,132,609 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,142,508,204 | (Within Confidence Interval) |
| State Upper Limit: | 1,239,146,567 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,125,841,027 | (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