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084/Galveston
2017 Confidence Interval Detail
084/Galveston
084-911/Friendswood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 684,415,194 | 0.8923 | 767,023,640 | 32 | 3,256 | .009124445 |
| A | 693,036,817 | 0.9856 | 703,162,355 | 25 | 2,123 | .008164656 |
| A | 817,502,439 | 0.9783 | 835,635,734 | 21 | 1,901 | .007376654 |
| A | 805,924,032 | 0.9715 | 829,566,682 | 14 | 1,139 | .018863937 |
| F1 | 37,955,966 | 1.0867 | 34,927,732 | 9 | 117 | .005473809 |
| F1 | 42,333,310 | 1.0444 | 40,533,617 | 8 | 55 | .005341227 |
| F1 | 41,575,750 | 1.0252 | 40,553,794 | 7 | 27 | .002784784 |
| F1 | 27,642,760 | 1.0671 | 25,904,564 | 4 | 7 | .000348944 |
| Random Totals: | 3,150,386,268 | 3,277,308,118 | 120 | 8,625 | ||
| Catg D1 Exception Values: | 68,330 | 47,525 | ||||
| Total Test Values (4): | 3,150,454,598 | 3,277,355,643 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 163,867,782 |
Confidence Interval Values (5)
| State Lower Limit: | 3,113,487,861 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,150,454,598 | (Within Confidence Interval) |
| State Upper Limit: | 3,441,223,425 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,953,254,889 | (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