2011 Confidence Interval Detail
138/Knox
138-902/Knox City-O'Brien CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,584,510 | 0.8257 | 3,130,084 | 10 | 164 | .080484908 |
| A | 3,088,650 | 0.9271 | 3,331,518 | 8 | 123 | .025453102 |
| A | 3,644,570 | 0.9282 | 3,926,492 | 9 | 96 | .054526243 |
| A | 4,359,520 | 0.8810 | 4,948,377 | 10 | 68 | .043684025 |
| G1 | 3,533,239 | 1.0043 | 3,518,111 | 5 | 9 | .000817524 |
| G1 | 4,445,880 | 0.9887 | 4,496,693 | 3 | 4 | .001937244 |
| L1 | 1,491,020 | 1.0668 | 1,397,657 | 10 | 101 | .005998442 |
| L1 | 2,134,580 | 0.9719 | 2,196,296 | 10 | 43 | .010996265 |
| L1 | 2,887,780 | 1.0030 | 2,879,143 | 8 | 17 | .000536148 |
| Random Totals: | 28,169,749 | 29,824,371 | 73 | 625 | ||
| Catg J Exception Values: | 1,106,870 | 1,204,472 | ||||
| Catg D1 Exception Values: | 6,855,880 | 6,512,002 | ||||
| Catg G1 Exception Values: | 13,642,300 | 13,390,246 | ||||
| Catg L1 Exception Values: | 1,148,844 | 1,163,594 | ||||
| Total Test Values (4): | 50,923,643 | 52,094,685 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,604,734 |
Confidence Interval Values (5)
| State Lower Limit: | 49,489,951 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 50,923,643 | (Within Confidence Interval) |
| State Upper Limit: | 54,699,419 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 65,530,299 | (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