2009 Confidence Interval Detail
043/Collin
043-910/Plano ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,999,357,096 | 0.9821 | 5,090,476,628 | 74 | 29,860 | .002520636 |
| A | 5,022,814,077 | 0.9898 | 5,074,574,739 | 75 | 21,230 | .002255584 |
| A | 5,004,462,884 | 0.9825 | 5,093,600,900 | 75 | 15,115 | .003280102 |
| A | 5,017,527,395 | 0.9896 | 5,070,258,079 | 73 | 7,736 | .006483201 |
| B | 769,059,185 | 0.7481 | 1,028,016,555 | 10 | 169 | .042057175 |
| B | 643,143,083 | 0.8480 | 758,423,447 | 7 | 39 | .051759495 |
| B | 740,121,919 | 0.8663 | 854,348,285 | 7 | 32 | .005311975 |
| B | 415,877,789 | 0.9654 | 430,782,877 | 5 | 12 | .000746681 |
| C | 58,570,058 | 0.9914 | 59,078,130 | 8 | 355 | .001009828 |
| C | 65,113,582 | 1.0688 | 60,922,139 | 10 | 109 | .021586249 |
| C | 48,233,214 | 0.9861 | 48,913,106 | 6 | 39 | .008931467 |
| C | 48,833,753 | 0.9947 | 49,093,951 | 5 | 15 | .000432667 |
| D3 | 238,271,906 | 0.9684 | 246,046,991 | 10 | 873 | .047969866 |
| F1 | 1,823,680,214 | 0.8278 | 2,203,044,472 | 16 | 901 | .208150762 |
| F1 | 1,725,017,381 | 0.9513 | 1,813,326,375 | 7 | 193 | .011868362 |
| F1 | 1,740,932,937 | 0.8764 | 1,986,459,307 | 8 | 76 | .024813614 |
| F1 | 1,581,764,535 | 0.9670 | 1,635,744,090 | 8 | 24 | .004632939 |
| L1 | 648,060,382 | 0.9890 | 655,268,334 | 8 | 2,303 | .000965122 |
| L1 | 630,029,175 | 1.0245 | 614,962,592 | 7 | 220 | .002462589 |
| L1 | 582,279,345 | 0.9869 | 590,008,456 | 6 | 47 | .002636825 |
| L1 | 621,277,941 | 0.9312 | 667,179,919 | 5 | 16 | .008755157 |
| Random Totals: | 32,424,427,851 | 34,030,529,372 | 430 | 79,364 | ||
| Catg D1 Exception Values: | 1,721,037 | 1,725,330 | ||||
| Total Test Values (4): | 32,426,148,888 | 34,032,254,702 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,701,612,735 |
Confidence Interval Values (5)
| State Lower Limit: | 32,330,641,967 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 32,426,148,888 | (Within Confidence Interval) |
| State Upper Limit: | 35,733,867,437 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 33,724,794,997 | (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