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043/Collin
2018 Confidence Interval Detail
043/Collin
043-908/Melissa ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 145,412,113 | 0.9380 | 155,023,575 | 65 | 711 | .008083711 |
| A | 252,953,726 | 0.9649 | 262,155,380 | 81 | 1,003 | .010579311 |
| A | 274,838,561 | 0.9824 | 279,762,379 | 70 | 888 | .005685604 |
| A | 314,211,686 | 0.9745 | 322,433,747 | 52 | 752 | .007198563 |
| E | 106,195,171 | 0.9943 | 106,803,954 | 10 | 391 | .042160108 |
| Random Totals: | 1,093,611,257 | 1,126,179,035 | 278 | 3,745 | ||
| Catg D1 Exception Values: | 1,440,500 | 994,106 | ||||
| Total Test Values (4): | 1,095,051,757 | 1,127,173,141 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 56,358,657 |
Confidence Interval Values (5)
| State Lower Limit: | 1,070,814,484 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,095,051,757 | (Within Confidence Interval) |
| State Upper Limit: | 1,183,531,798 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,206,346,869 | (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