2010 Confidence Interval Detail
227/Travis
027-904/Marble Falls ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 96,234,734 | 0.9637 | 99,859,639 | 10 | 359 | .002627344 |
| A | 95,939,839 | 0.9254 | 103,673,913 | 9 | 185 | .016830696 |
| A | 104,097,628 | 0.9634 | 108,052,344 | 9 | 131 | .011136143 |
| A | 92,502,106 | 1.0047 | 92,069,380 | 8 | 50 | .005882977 |
| C | 26,181,330 | 1.0000 | 26,181,330 | 10 | 354 | .050561541 |
| C | 17,796,457 | 0.9628 | 18,484,064 | 9 | 118 | .003640053 |
| C | 14,124,888 | 1.0138 | 13,932,618 | 8 | 49 | .005836483 |
| C | 13,731,368 | 0.9651 | 14,227,922 | 7 | 27 | .008408102 |
| D3 | 57,585,612 | 1.0354 | 55,616,778 | 15 | 581 | .010852360 |
| Random Totals: | 518,193,962 | 532,097,988 | 85 | 1,854 | ||
| Catg J Exception Values: | 4,412,813 | 4,827,485 | ||||
| Catg D1 Exception Values: | 1,299,420 | 785,729 | ||||
| Total Test Values (4): | 523,906,195 | 537,711,202 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,885,560 |
Confidence Interval Values (5)
| State Lower Limit: | 510,825,642 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 523,906,195 | (Within Confidence Interval) |
| State Upper Limit: | 564,596,762 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 530,054,157 | (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