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072/Erath
2017 Confidence Interval Detail
072/Erath
072-910/Morgan Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,918,510 | 0.9884 | 2,952,762 | 8 | 47 | .003214696 |
| A | 3,625,150 | 0.9069 | 3,997,298 | 9 | 31 | .041837651 |
| A | 2,649,790 | 0.8816 | 3,005,660 | 6 | 12 | .016256531 |
| A | 3,956,040 | 0.9961 | 3,971,529 | 8 | 13 | .010379222 |
| E | 64,933,380 | 0.9385 | 69,188,471 | 21 | 373 | .031808061 |
| L1 | 1,052,670 | 1.2004 | 876,933 | 9 | 29 | .021467181 |
| Random Totals: | 79,135,540 | 83,992,653 | 61 | 505 | ||
| Catg J Exception Values: | 8,336,280 | 9,618,050 | ||||
| Catg D1 Exception Values: | 5,357,570 | 3,641,976 | ||||
| Total Test Values (4): | 92,829,390 | 97,252,679 |
Margin of Error
| Margin of Error Percent: | 5.4093646 |
|---|---|
| Margin of Error Value: | 5,260,752 |
Confidence Interval Values (5)
| State Lower Limit: | 91,991,927 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 92,829,390 | (Within Confidence Interval) |
| State Upper Limit: | 102,513,431 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 93,738,770 | (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