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043/Collin
2018 Confidence Interval Detail
043/Collin
043-910/Plano ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,254,125,061 | 0.9453 | 6,616,021,433 | 513 | 24,975 | .015861230 |
| A | 7,954,447,695 | 0.9734 | 8,171,818,055 | 498 | 24,084 | .005685493 |
| A | 8,622,368,295 | 0.9786 | 8,810,922,026 | 495 | 20,046 | .005860600 |
| A | 8,079,595,128 | 0.9617 | 8,401,367,503 | 438 | 11,150 | .014420813 |
| B | 1,091,746,130 | 0.8487 | 1,286,374,608 | 10 | 69 | .017850480 |
| B | 1,409,462,261 | 0.8927 | 1,578,875,614 | 9 | 45 | .011944164 |
| B | 1,194,249,961 | 0.9256 | 1,290,244,124 | 7 | 27 | .008542962 |
| B | 2,199,841,197 | 0.9353 | 2,352,016,676 | 8 | 35 | .007598123 |
| C1 | 62,029,279 | 0.7500 | 82,705,705 | 16 | 311 | .242834530 |
| C1 | 65,772,376 | 0.8480 | 77,561,764 | 9 | 72 | .046842605 |
| C1 | 55,499,046 | 1.0037 | 55,294,457 | 7 | 25 | .041047006 |
| C1 | 78,925,035 | 1.0544 | 74,853,030 | 5 | 13 | .025074216 |
| E | 287,970,778 | 0.9736 | 295,779,353 | 10 | 353 | .059923005 |
| F1 | 2,841,116,096 | 0.9387 | 3,026,649,724 | 16 | 964 | .019050413 |
| F1 | 2,651,994,658 | 0.9377 | 2,828,190,954 | 9 | 155 | .052582474 |
| F1 | 2,958,201,926 | 0.9837 | 3,007,219,606 | 8 | 60 | .003975175 |
| F1 | 3,700,471,586 | 1.0898 | 3,395,551,097 | 7 | 19 | .018124819 |
| L1 | 978,715,380 | 0.9902 | 988,401,717 | 10 | 2,637 | .002668733 |
| L1 | 981,386,124 | 0.9789 | 1,002,539,712 | 10 | 243 | .007599000 |
| L1 | 870,112,357 | 0.9590 | 907,312,155 | 8 | 44 | .007857931 |
| L1 | 926,322,021 | 1.0270 | 901,968,862 | 6 | 14 | .039231565 |
| Random Totals: | 53,264,352,390 | 55,151,668,175 | 2,099 | 85,341 | ||
| Catg J Exception Values: | 356,199,365 | 396,020,766 | ||||
| Catg D1 Exception Values: | 652,950 | 552,896 | ||||
| Total Test Values (4): | 53,621,204,705 | 55,548,241,837 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,777,412,091 |
Confidence Interval Values (5)
| State Lower Limit: | 52,770,829,746 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 53,621,204,705 | (Within Confidence Interval) |
| State Upper Limit: | 58,325,653,928 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 53,372,544,810 | (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