2010 Confidence Interval Detail
156/Martin
156-905/Grady ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 13,392,660 | 1.0258 | 13,055,820 | 19 | 1,446 | .073733949 |
| G1 | 199,317,721 | 0.9792 | 203,551,594 | 10 | 194 | .015191057 |
| G1 | 198,609,430 | 1.1011 | 180,373,654 | 9 | 72 | .043928384 |
| G1 | 196,464,983 | 0.9757 | 201,357,982 | 8 | 38 | .015499396 |
| G1 | 197,757,870 | 1.0259 | 192,765,250 | 7 | 17 | .004800127 |
| Random Totals: | 805,542,664 | 791,104,300 | 53 | 1,767 | ||
| Catg J Exception Values: | 3,099,956 | 3,321,323 | ||||
| Catg D1 Exception Values: | 24,995,270 | 31,839,480 | ||||
| Total Test Values (4): | 833,637,890 | 826,265,103 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 41,313,255 |
Confidence Interval Values (5)
| State Lower Limit: | 784,951,848 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 833,637,890 | (Within Confidence Interval) |
| State Upper Limit: | 867,578,358 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 893,164,620 | (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