2010 Confidence Interval Detail
139/Lamar
139-912/Prairiland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,477,320 | 0.9032 | 17,136,094 | 15 | 489 | .041407139 |
| A | 14,766,680 | 0.9965 | 14,818,545 | 15 | 266 | .008546532 |
| A | 15,876,300 | 0.9271 | 17,124,690 | 16 | 199 | .032347247 |
| A | 15,567,130 | 0.9672 | 16,095,048 | 14 | 118 | .013377676 |
| D3 | 76,133,410 | 1.0055 | 75,716,967 | 20 | 4,158 | .104506423 |
| Random Totals: | 137,820,840 | 140,891,344 | 80 | 5,230 | ||
| Catg J Exception Values: | 12,134,239 | 12,193,309 | ||||
| Catg D1 Exception Values: | 11,905,792 | 9,427,009 | ||||
| Total Test Values (4): | 161,860,871 | 162,511,662 |
Margin of Error
| Margin of Error Percent: | 6.8701383 |
|---|---|
| Margin of Error Value: | 11,164,776 |
Confidence Interval Values (5)
| State Lower Limit: | 151,346,886 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 161,860,871 | (Within Confidence Interval) |
| State Upper Limit: | 173,676,438 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 185,531,028 | (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
