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Galveston County
2020 Confidence Interval Detail
Galveston County
084-909/Santa Fe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 340,047,610 | 0.9053 | 375,618,701 | 36 | 2,517 | 0.050835281 |
| A | 485,579,359 | 1.0150 | 478,403,309 | 76 | 2,376 | 0.015939976 |
| A | 506,392,864 | 0.9661 | 524,161,954 | 71 | 1,849 | 0.033617424 |
| A | 564,818,110 | 1.0381 | 544,088,344 | 49 | 1,304 | 0.011193603 |
| E | 150,547,199 | 1.0935 | 137,674,622 | 20 | 874 | 0.033693229 |
| Random Totals: | 2,047,385,142 | 2,059,946,930 | 252 | 8,920 | ||
| CATG D1 EXCEPTION VALUES: | 2,055,829 | 1,578,868 | ||||
| Total Test Values | 2,049,440,971 | 2,061,525,798 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 103,076,290 |
Confidence Interval Values(5)
| Local Test Value: | 2,049,440,971 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,958,449,508 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,164,602,088 | (State Test Value plus Margin of Error Percent) |
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