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091/Grayson
2018 Confidence Interval Detail
091/Grayson
091-914/S and S CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 53,341,481 | 1.0172 | 52,439,521 | 13 | 591 | .013685877 |
| A | 63,041,078 | 0.9272 | 67,990,809 | 15 | 346 | .024276652 |
| A | 64,599,554 | 0.9496 | 68,028,174 | 22 | 247 | .005952333 |
| A | 69,417,918 | 0.9195 | 75,495,289 | 6 | 162 | .013858981 |
| E | 100,184,744 | 1.0265 | 97,598,387 | 10 | 789 | .025508827 |
| G1 | 11,077,671 | 1.0059 | 11,012,696 | 8 | 40 | .001688095 |
| G1 | 11,369,845 | 1.0158 | 11,192,996 | 6 | 14 | .000134514 |
| G1 | 10,887,525 | 1.0154 | 10,722,400 | 4 | 8 | .000614910 |
| G1 | 9,559,452 | 1.0056 | 9,506,217 | 3 | 4 | .000244497 |
| Random Totals: | 393,479,268 | 403,986,489 | 87 | 2,201 | ||
| Catg J Exception Values: | 17,043,330 | 19,514,243 | ||||
| Catg D1 Exception Values: | 5,770,513 | 3,971,878 | ||||
| Total Test Values (4): | 416,293,111 | 427,472,610 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 21,373,630 |
Confidence Interval Values (5)
| State Lower Limit: | 406,098,980 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 416,293,111 | (Within Confidence Interval) |
| State Upper Limit: | 448,846,240 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 412,681,143 | (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