Top navigation skipped
091/Grayson
2018 Confidence Interval Detail
091/Grayson
091-907/Tioga ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 14,819,637 | 0.8567 | 17,298,514 | 9 | 148 | .037679866 |
| A | 16,242,173 | 0.9303 | 17,459,070 | 10 | 105 | .010177721 |
| A | 21,807,198 | 0.9423 | 23,142,521 | 9 | 105 | .004495497 |
| A | 17,763,300 | 0.9673 | 18,363,796 | 8 | 46 | .007595961 |
| E | 33,642,984 | 1.0064 | 33,429,038 | 10 | 193 | .001439814 |
| Random Totals: | 104,275,292 | 109,692,939 | 46 | 597 | ||
| Catg D1 Exception Values: | 1,839,792 | 1,394,810 | ||||
| Total Test Values (4): | 106,115,084 | 111,087,749 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,554,387 |
Confidence Interval Values (5)
| State Lower Limit: | 105,533,362 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 106,115,084 | (Within Confidence Interval) |
| State Upper Limit: | 116,642,136 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 110,850,334 | (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, D2, E, 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