2011 Confidence Interval Detail
101/Harris
101-903/Alief ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,359,553,970 | 1.0681 | 1,272,871,426 | 52 | 17,612 | .032580726 |
| A | 882,054,721 | 1.0761 | 819,677,280 | 47 | 8,938 | .036158043 |
| A | 984,554,030 | 1.0568 | 931,637,046 | 47 | 7,553 | .030629224 |
| A | 1,115,199,939 | 0.9595 | 1,162,271,953 | 52 | 3,028 | .010245078 |
| B | 408,378,097 | 0.9558 | 427,263,127 | 11 | 109 | .006221540 |
| B | 272,731,337 | 0.9678 | 281,805,473 | 8 | 40 | .016908622 |
| B | 438,275,227 | 0.9939 | 440,965,114 | 10 | 38 | .016826639 |
| B | 311,141,771 | 0.9147 | 340,157,178 | 7 | 15 | .016088871 |
| F1 | 810,758,315 | 0.9300 | 871,783,134 | 12 | 919 | .062797769 |
| F1 | 837,249,302 | 0.8956 | 934,847,367 | 10 | 254 | .008313902 |
| F1 | 811,990,013 | 0.8979 | 904,321,208 | 9 | 85 | .010830305 |
| F1 | 854,705,703 | 0.9278 | 921,217,615 | 8 | 29 | .003182539 |
| L1 | 200,164,637 | 1.0201 | 196,220,603 | 10 | 2,163 | .013459504 |
| L1 | 202,961,924 | 0.9810 | 206,892,889 | 10 | 227 | .002648651 |
| L1 | 205,661,137 | 0.9654 | 213,032,046 | 8 | 48 | .001526888 |
| L1 | 194,433,411 | 0.9263 | 209,903,283 | 6 | 15 | .003211879 |
| Random Totals: | 9,889,813,534 | 10,134,866,742 | 307 | 41,073 | ||
| Catg D1 Exception Values: | 14,785 | 14,918 | ||||
| Total Test Values (4): | 9,889,828,319 | 10,134,881,660 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 506,744,083 |
Confidence Interval Values (5)
| State Lower Limit: | 9,628,137,577 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 9,889,828,319 | (Within Confidence Interval) |
| State Upper Limit: | 10,641,625,743 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 10,657,415,107 | (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