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091/Grayson
2016 Confidence Interval Detail
091/Grayson
091-901/Bells ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,990,909 | 0.9276 | 21,551,217 | 10 | 348 | .051158945 |
| A | 16,796,100 | 0.9678 | 17,354,929 | 10 | 166 | .027966273 |
| A | 27,646,928 | 0.9621 | 28,736,023 | 11 | 183 | .014658845 |
| A | 34,234,685 | 0.9747 | 35,123,305 | 10 | 147 | .001647166 |
| E | 63,382,097 | 1.0088 | 62,829,200 | 17 | 596 | .015123565 |
| Random Totals: | 162,050,719 | 165,594,674 | 58 | 1,440 | ||
| Catg J Exception Values: | 7,092,442 | 7,603,377 | ||||
| Catg D1 Exception Values: | 2,282,994 | 1,725,030 | ||||
| Total Test Values (4): | 171,426,155 | 174,923,081 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,746,154 |
Confidence Interval Values (5)
| State Lower Limit: | 166,176,927 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 171,426,155 | (Within Confidence Interval) |
| State Upper Limit: | 183,669,235 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 205,719,051 | (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