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152/Lubbock
2018 Confidence Interval Detail
152/Lubbock
152-908/Roosevelt ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 33,122,829 | 0.8208 | 40,354,324 | 12 | 495 | .164033322 |
| A | 44,239,515 | 0.9225 | 47,956,114 | 20 | 283 | .012470988 |
| A | 48,170,520 | 1.0145 | 47,482,031 | 15 | 215 | .028941104 |
| A | 40,042,645 | 1.1388 | 35,162,140 | 14 | 104 | .015990224 |
| E | 25,233,916 | 0.9689 | 26,043,881 | 16 | 358 | .145186341 |
| F1 | 3,631,770 | 0.9567 | 3,796,143 | 8 | 45 | .054871176 |
| F1 | 3,971,622 | 0.8324 | 4,771,290 | 7 | 21 | .063371767 |
| F1 | 2,479,219 | 0.9837 | 2,520,300 | 5 | 6 | .020546021 |
| F1 | 3,668,455 | 0.9664 | 3,796,001 | 4 | 6 | .001192056 |
| G1 | 19,120,488 | 1.0565 | 18,097,954 | 8 | 47 | .007053284 |
| Random Totals: | 223,680,979 | 229,980,178 | 109 | 1,580 | ||
| Catg D1 Exception Values: | 17,731,703 | 13,732,381 | ||||
| Catg F1 Exception Values: | 4,272,029 | 4,454,888 | ||||
| Total Test Values (4): | 245,684,711 | 248,167,447 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 12,408,372 |
Confidence Interval Values (5)
| State Lower Limit: | 235,759,075 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 245,684,711 | (Within Confidence Interval) |
| State Upper Limit: | 260,575,819 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 239,809,764 | (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