2009 Confidence Interval Detail
214/Starr
214-903/Roma ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 41,532,400 | 0.9734 | 42,667,352 | 15 | 2,340 | .023374611 |
| A | 42,149,940 | 0.8109 | 51,979,208 | 15 | 1,395 | .064416122 |
| A | 42,790,880 | 0.8332 | 51,357,273 | 15 | 914 | .040603196 |
| A | 45,454,170 | 0.7592 | 59,871,141 | 15 | 508 | .069141391 |
| C | 7,223,950 | 0.6809 | 10,609,414 | 7 | 1,429 | .321807057 |
| C | 7,269,570 | 0.9893 | 7,348,196 | 7 | 987 | .155411594 |
| C | 7,027,730 | 0.8473 | 8,294,264 | 7 | 568 | .143531476 |
| C | 7,273,900 | 0.6062 | 11,999,175 | 7 | 118 | .401392479 |
| D3 | 13,957,340 | 0.9202 | 15,167,724 | 19 | 8,581 | .080484062 |
| F1 | 9,603,350 | 0.7825 | 12,272,652 | 8 | 205 | .180652997 |
| F1 | 9,464,840 | 0.8678 | 10,906,707 | 7 | 90 | .010611179 |
| F1 | 9,331,280 | 0.7488 | 12,461,645 | 7 | 47 | .039423428 |
| F1 | 10,138,780 | 0.8580 | 11,816,760 | 6 | 21 | .011326192 |
| G1 | 38,762,720 | 0.9499 | 40,807,159 | 12 | 73 | .007998724 |
| G1 | 38,469,708 | 0.9703 | 39,647,231 | 9 | 22 | .043449489 |
| G1 | 36,126,490 | 1.0172 | 35,515,621 | 7 | 13 | .015718634 |
| G1 | 37,541,310 | 1.0443 | 35,948,779 | 4 | 6 | .003165362 |
| Random Totals: | 404,118,358 | 458,670,301 | 167 | 17,317 | ||
| Catg J Exception Values: | 12,208,128 | 12,575,964 | ||||
| Catg D1 Exception Values: | 22,742,430 | 24,268,926 | ||||
| Total Test Values (4): | 439,068,916 | 495,515,191 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 24,775,760 |
Confidence Interval Values (5)
| Local Test Value: | 439,068,916 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 470,739,431 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 520,290,951 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 491,222,288 | (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, D3, 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