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043/Collin
2018 Confidence Interval Detail
043/Collin
043-912/Prosper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,343,059,700 | 0.9811 | 1,368,932,525 | 100 | 4,453 | .002692304 |
| A | 1,462,939,867 | 0.9807 | 1,491,730,261 | 102 | 3,682 | .003908757 |
| A | 1,399,475,293 | 0.9824 | 1,424,547,326 | 100 | 2,840 | .005533800 |
| A | 1,413,318,931 | 0.9800 | 1,442,162,174 | 89 | 1,857 | .005860276 |
| E | 278,325,065 | 0.9405 | 295,933,083 | 10 | 618 | .017652714 |
| F1 | 72,494,692 | 1.0968 | 66,096,546 | 9 | 120 | .031641083 |
| F1 | 97,563,441 | 1.2786 | 76,304,897 | 7 | 38 | .280464129 |
| F1 | 76,105,131 | 1.0026 | 75,907,771 | 5 | 14 | .026278591 |
| F1 | 156,136,672 | 1.0531 | 148,263,861 | 3 | 10 | .011405450 |
| Random Totals: | 6,299,418,792 | 6,389,878,444 | 425 | 13,632 | ||
| Catg D1 Exception Values: | 2,052,541 | 1,639,988 | ||||
| Total Test Values (4): | 6,301,471,333 | 6,391,518,432 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 319,575,921 |
Confidence Interval Values (5)
| State Lower Limit: | 6,071,942,511 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 6,301,471,333 | (Within Confidence Interval) |
| State Upper Limit: | 6,711,094,353 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 7,302,795,579 | (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