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170/Montgomery
2017 Confidence Interval Detail
170/Montgomery
170-902/Conroe ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,814,015,997 | 0.9677 | 6,008,076,880 | 749 | 33,208 | .009341075 |
| A | 6,206,389,754 | 0.9841 | 6,306,665,739 | 750 | 21,556 | .005983689 |
| A | 5,818,562,240 | 0.9773 | 5,953,711,491 | 766 | 12,596 | .009731096 |
| A | 5,233,001,838 | 0.9670 | 5,411,584,114 | 250 | 5,167 | .035331989 |
| B | 356,844,936 | 0.8027 | 444,555,794 | 8 | 47 | .054141667 |
| B | 396,268,781 | 0.7241 | 547,256,982 | 8 | 23 | .021684577 |
| B | 438,981,923 | 0.8975 | 489,116,349 | 6 | 17 | .016210667 |
| B | 295,499,940 | 0.9500 | 311,052,568 | 4 | 7 | .068260203 |
| C1 | 116,671,267 | 0.8503 | 137,211,886 | 10 | 4,760 | .097312124 |
| C1 | 134,642,643 | 0.9360 | 143,848,978 | 23 | 1,911 | .081106740 |
| C1 | 115,659,610 | 0.9735 | 118,808,023 | 44 | 677 | .063602472 |
| C1 | 175,680,566 | 0.8845 | 198,621,330 | 9 | 125 | .062021372 |
| E | 437,722,320 | 0.9499 | 460,808,843 | 17 | 2,888 | .022102269 |
| F1 | 1,492,458,666 | 0.9390 | 1,589,412,850 | 15 | 1,773 | .111861714 |
| F1 | 1,424,193,095 | 0.9470 | 1,503,899,784 | 13 | 297 | .037656034 |
| F1 | 1,620,167,150 | 0.9925 | 1,632,410,227 | 13 | 107 | .029787548 |
| F1 | 1,504,327,100 | 0.9349 | 1,609,078,083 | 9 | 26 | .007521530 |
| L1 | 466,337,063 | 0.9366 | 497,904,189 | 11 | 2,497 | .062378988 |
| L1 | 461,885,849 | 1.0514 | 439,305,544 | 10 | 355 | .087571364 |
| L1 | 460,571,002 | 0.9635 | 478,018,684 | 10 | 102 | .016621263 |
| L1 | 495,628,990 | 0.8714 | 568,773,227 | 9 | 31 | .069311686 |
| Random Totals: | 33,465,510,730 | 34,850,121,565 | 2,734 | 88,170 | ||
| Catg J Exception Values: | 253,794,390 | 264,970,370 | ||||
| Catg D1 Exception Values: | 41,226,730 | 34,197,009 | ||||
| Total Test Values (4): | 33,760,531,850 | 35,149,288,944 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,757,464,447 |
Confidence Interval Values (5)
| State Lower Limit: | 33,391,824,497 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 33,760,531,850 | (Within Confidence Interval) |
| State Upper Limit: | 36,906,753,391 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,674,025,792 | (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, D2, E, 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