2008 Confidence Interval Detail
101/Harris
101-913/Humble ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,880,706,980 | 0.9326 | 2,016,627,686 | 33 | 15,514 | .033036761 |
| A | 1,918,349,888 | 0.9691 | 1,979,516,962 | 31 | 11,864 | .002891695 |
| A | 2,058,282,117 | 0.9981 | 2,062,200,298 | 31 | 9,378 | .010807695 |
| A | 2,171,964,561 | 0.9957 | 2,181,344,342 | 33 | 5,587 | .008314484 |
| B | 61,738,175 | 0.8525 | 72,420,147 | 7 | 59 | .002625351 |
| B | 84,129,713 | 0.8122 | 103,582,508 | 4 | 12 | .020311674 |
| B | 168,142,303 | 0.9032 | 186,162,869 | 4 | 9 | .006822263 |
| F1 | 269,781,504 | 0.8569 | 314,834,291 | 10 | 487 | .027044388 |
| F1 | 287,196,694 | 0.8766 | 327,625,706 | 8 | 164 | .007640895 |
| L1 | 94,425,766 | 0.9932 | 95,072,257 | 8 | 1,245 | .006704829 |
| L1 | 98,858,346 | 0.9455 | 104,556,685 | 7 | 213 | .007847728 |
| L1 | 107,758,401 | 0.9906 | 108,780,942 | 6 | 64 | .001267614 |
| L1 | 86,567,425 | 0.9827 | 88,091,406 | 5 | 16 | .000778625 |
| Random Totals: | 9,287,901,873 | 9,640,816,099 | 187 | 44,612 | ||
| Catg D1 Exception Values: | 931,178 | 949,656 | ||||
| Catg B Exception Values: | 10,904,103 | 13,735,267 | ||||
| Catg F1 Exception Values: | 54,602,859 | 59,003,249 | ||||
| Total Test Values (4): | 9,354,340,013 | 9,714,504,271 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 485,725,214 |
Confidence Interval Values (5)
| State Lower Limit: | 9,228,779,057 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 9,354,340,013 | (Within Confidence Interval) |
| State Upper Limit: | 10,200,229,485 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 9,665,716,441 | (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