taxes Property Tax Assistance

2018 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 6,254,125,061 0.9453 6,616,021,433 513 24,975 .015861230
A 7,954,447,695 0.9734 8,171,818,055 498 24,084 .005685493
A 8,622,368,295 0.9786 8,810,922,026 495 20,046 .005860600
A 8,079,595,128 0.9617 8,401,367,503 438 11,150 .014420813
B 1,091,746,130 0.8487 1,286,374,608 10 69 .017850480
B 1,409,462,261 0.8927 1,578,875,614 9 45 .011944164
B 1,194,249,961 0.9256 1,290,244,124 7 27 .008542962
B 2,199,841,197 0.9353 2,352,016,676 8 35 .007598123
C1 62,029,279 0.7500 82,705,705 16 311 .242834530
C1 65,772,376 0.8480 77,561,764 9 72 .046842605
C1 55,499,046 1.0037 55,294,457 7 25 .041047006
C1 78,925,035 1.0544 74,853,030 5 13 .025074216
E 287,970,778 0.9736 295,779,353 10 353 .059923005
F1 2,841,116,096 0.9387 3,026,649,724 16 964 .019050413
F1 2,651,994,658 0.9377 2,828,190,954 9 155 .052582474
F1 2,958,201,926 0.9837 3,007,219,606 8 60 .003975175
F1 3,700,471,586 1.0898 3,395,551,097 7 19 .018124819
L1 978,715,380 0.9902 988,401,717 10 2,637 .002668733
L1 981,386,124 0.9789 1,002,539,712 10 243 .007599000
L1 870,112,357 0.9590 907,312,155 8 44 .007857931
L1 926,322,021 1.0270 901,968,862 6 14 .039231565
Random Totals: 53,264,352,390   55,151,668,175 2,099 85,341  
Catg J Exception Values: 356,199,365   396,020,766      
Catg D1 Exception Values: 652,950   552,896      
Total Test Values (4): 53,621,204,705   55,548,241,837      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,777,412,091

Confidence Interval Values (5)

State Lower Limit: 52,770,829,746 (State Test Value minus Margin of Error Percent)
Local Test Value: 53,621,204,705 (Within Confidence Interval)
State Upper Limit: 58,325,653,928 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,372,544,810 (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