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170/Montgomery
2016 Confidence Interval Detail
170/Montgomery
170-904/Willis ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 529,468,700 | 0.9458 | 559,810,425 | 99 | 4,737 | .009336216 |
| A | 635,953,290 | 0.9832 | 646,819,864 | 99 | 3,370 | .011307322 |
| A | 646,294,740 | 0.9784 | 660,562,899 | 100 | 2,116 | .008632311 |
| A | 653,175,170 | 0.9802 | 666,369,282 | 34 | 1,051 | .008437217 |
| F1 | 70,548,573 | 1.0101 | 69,843,157 | 10 | 270 | .007729839 |
| F1 | 77,430,800 | 1.0121 | 76,505,088 | 11 | 97 | .027649680 |
| F1 | 65,009,990 | 1.0096 | 64,391,828 | 8 | 32 | .003197861 |
| F1 | 72,550,799 | 1.0444 | 69,466,487 | 6 | 15 | .003421300 |
| L1 | 39,996,230 | 1.0501 | 38,088,020 | 10 | 223 | .040723023 |
| L1 | 38,645,254 | 1.0203 | 37,876,364 | 8 | 33 | .021940160 |
| L1 | 34,523,710 | 1.0244 | 33,701,396 | 4 | 9 | .001971317 |
| Random Totals: | 2,863,597,256 | 2,923,434,810 | 389 | 11,953 | ||
| Catg D1 Exception Values: | 24,445,434 | 24,753,183 | ||||
| Catg L1 Exception Values: | 29,496,515 | 30,492,126 | ||||
| Total Test Values (4): | 2,917,539,205 | 2,978,680,119 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 148,934,005 |
Confidence Interval Values (5)
| State Lower Limit: | 2,829,746,114 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,917,539,205 | (Within Confidence Interval) |
| State Upper Limit: | 3,127,614,124 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,018,636,510 | (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