2011 Confidence Interval Detail
101/Harris
237-904/Waller ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 89,036,298 | 1.0050 | 88,593,331 | 29 | 1,323 | .035751071 |
| A | 87,529,652 | 1.0728 | 81,589,907 | 13 | 620 | .034699891 |
| A | 89,647,821 | 0.9215 | 97,284,667 | 12 | 398 | .023461774 |
| A | 91,915,010 | 0.9985 | 92,053,090 | 10 | 210 | .032955326 |
| C | 10,038,918 | 0.9693 | 10,356,874 | 12 | 439 | .015723260 |
| C | 12,307,199 | 0.9723 | 12,657,821 | 10 | 270 | .041904270 |
| C | 9,833,380 | 0.9978 | 9,855,061 | 10 | 90 | .018586142 |
| C | 11,136,452 | 1.0553 | 10,552,878 | 10 | 21 | .092348811 |
| D3 | 76,936,138 | 0.9502 | 80,968,362 | 15 | 1,229 | .003143671 |
| F1 | 20,255,007 | 0.9446 | 21,442,946 | 8 | 40 | .006226492 |
| F1 | 16,841,408 | 0.9088 | 18,531,479 | 6 | 15 | .004611367 |
| F1 | 18,576,536 | 0.8904 | 20,863,136 | 5 | 9 | .014698596 |
| Random Totals: | 534,053,819 | 544,749,552 | 140 | 4,664 | ||
| Catg D1 Exception Values: | 5,952,525 | 6,007,955 | ||||
| Catg F1 Exception Values: | 108,433,766 | 105,893,892 | ||||
| Total Test Values (4): | 648,440,110 | 656,651,399 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 32,832,570 |
Confidence Interval Values (5)
| State Lower Limit: | 623,818,829 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 648,440,110 | (Within Confidence Interval) |
| State Upper Limit: | 689,483,969 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 752,790,974 | (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