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043/Collin
2018 Confidence Interval Detail
043/Collin
043-917/Blue Ridge ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 18,040,783 | 0.9871 | 18,276,551 | 7 | 246 | .020371500 |
| A | 19,439,064 | 0.9673 | 20,096,210 | 10 | 152 | .002355077 |
| A | 24,733,335 | 0.9614 | 25,726,373 | 10 | 138 | .004231938 |
| A | 32,910,278 | 1.0028 | 32,818,387 | 10 | 91 | .002887743 |
| E | 148,186,995 | 0.9514 | 155,756,774 | 26 | 1,027 | .016384039 |
| Random Totals: | 243,310,455 | 252,674,295 | 63 | 1,654 | ||
| Catg J Exception Values: | 9,859,157 | 10,912,095 | ||||
| Catg D1 Exception Values: | 4,129,480 | 2,686,234 | ||||
| Total Test Values (4): | 257,299,092 | 266,272,624 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,313,631 |
Confidence Interval Values (5)
| State Lower Limit: | 252,958,993 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 257,299,092 | (Within Confidence Interval) |
| State Upper Limit: | 279,586,255 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 236,550,777 | (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