2008 Confidence Interval Detail
050/Coryell
050-909/Jonesboro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,216,500 | 0.9950 | 5,242,714 | 8 | 118 | .002612493 |
| A | 5,789,565 | 0.9425 | 6,142,775 | 6 | 79 | .012679346 |
| A | 5,797,590 | 1.0095 | 5,743,031 | 6 | 54 | .002606681 |
| A | 7,541,290 | 0.9972 | 7,562,465 | 6 | 39 | .009871170 |
| D3 | 5,883,185 | 0.9832 | 5,983,711 | 23 | 948 | .013438446 |
| Random Totals: | 30,228,130 | 30,674,696 | 49 | 1,238 | ||
| Catg J Exception Values: | 1,851,730 | 1,937,891 | ||||
| Catg D1 Exception Values: | 5,726,989 | 5,251,689 | ||||
| Total Test Values (4): | 37,806,849 | 37,864,276 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 1,893,214 |
Confidence Interval Values (5)
| State Lower Limit: | 35,971,062 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 37,806,849 | (Within Confidence Interval) |
| State Upper Limit: | 39,757,490 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,393,085 | (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