2009 Confidence Interval Detail
126/Johnson
126-904/Grandview ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,500,465 | 0.9610 | 22,373,012 | 9 | 370 | .045353682 |
| A | 20,742,946 | 1.0364 | 20,014,421 | 9 | 229 | .088296614 |
| A | 21,874,842 | 0.9543 | 22,922,395 | 8 | 164 | .004094750 |
| A | 22,833,485 | 0.9526 | 23,969,646 | 8 | 116 | .001501708 |
| D3 | 85,654,527 | 0.9313 | 91,973,077 | 12 | 1,838 | .031323679 |
| G1 | 34,558,834 | 0.9144 | 37,794,000 | 8 | 42 | .102174293 |
| G1 | 35,062,102 | 0.9282 | 37,774,296 | 6 | 22 | .035326527 |
| G1 | 34,191,625 | 1.0692 | 31,978,699 | 6 | 15 | .006752024 |
| G1 | 31,759,147 | 0.9974 | 31,841,936 | 5 | 10 | .002178359 |
| Random Totals: | 308,177,973 | 320,641,482 | 71 | 2,806 | ||
| Catg J Exception Values: | 9,388,134 | 9,981,028 | ||||
| Catg D1 Exception Values: | 4,114,972 | 3,928,493 | ||||
| Total Test Values (4): | 321,681,079 | 334,551,003 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 16,727,550 |
Confidence Interval Values (5)
| State Lower Limit: | 317,823,453 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 321,681,079 | (Within Confidence Interval) |
| State Upper Limit: | 351,278,553 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 363,504,159 | (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