2010 Confidence Interval Detail
174/Nacogdoches
174-909/Martinsville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,169,070 | 0.9672 | 3,276,541 | 9 | 68 | .001716164 |
| A | 2,931,170 | 0.9544 | 3,071,218 | 8 | 38 | .000472444 |
| A | 3,412,150 | 0.9534 | 3,578,928 | 7 | 31 | .003360486 |
| A | 2,924,170 | 0.9616 | 3,040,942 | 6 | 16 | .000368343 |
| D3 | 26,032,620 | 1.0625 | 24,501,289 | 20 | 1,051 | .029202324 |
| G1 | 7,572,060 | 0.8250 | 9,178,255 | 8 | 25 | .065319339 |
| G1 | 7,483,550 | 1.0269 | 7,287,516 | 5 | 12 | .005155015 |
| G1 | 7,092,940 | 1.0614 | 6,682,627 | 4 | 8 | .007607390 |
| G1 | 6,935,070 | 1.1306 | 6,133,973 | 3 | 4 | .016098461 |
| Random Totals: | 67,552,800 | 66,751,289 | 70 | 1,253 | ||
| Catg J Exception Values: | 871,102 | 1,106,702 | ||||
| Catg D1 Exception Values: | 6,962,570 | 4,084,899 | ||||
| Total Test Values (4): | 75,386,472 | 71,942,890 |
Margin of Error
| Margin of Error Percent: | 5.0000007 |
|---|---|
| Margin of Error Value: | 3,597,145 |
Confidence Interval Values (5)
| State Lower Limit: | 68,345,745 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 75,386,472 | (Within Confidence Interval) |
| State Upper Limit: | 75,540,035 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 87,878,377 | (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
