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 24975 0.015861230
A 7,954,447,695 0.9734 8,171,818,055 498 24084 0.005685493
A 8,622,368,295 0.9786 8,810,922,026 495 20046 0.005860600
A 8,079,595,128 0.9617 8,401,367,503 438 11150 0.014420813
B 1,091,746,130 0.8487 1,286,374,608 10 69 0.017850480
B 1,409,462,261 0.8927 1,578,875,614 9 45 0.011944164
B 1,194,249,961 0.9256 1,290,244,124 7 27 0.008542962
B 2,199,841,197 0.9353 2,352,016,676 8 35 0.007598123
C1 62,029,279 0.7500 82,705,705 16 311 0.242834530
C1 65,772,376 0.8480 77,561,764 9 72 0.046842605
C1 55,499,046 1.0037 55,294,457 7 25 0.041047006
C1 78,925,035 1.0544 74,853,030 5 13 0.025074216
E 287,970,778 0.9736 295,779,353 10 353 0.059923005
F1 2,841,116,096 0.9387 3,026,649,724 16 964 0.019050413
F1 2,651,994,658 0.9377 2,828,190,954 9 155 0.052582474
F1 2,958,201,926 0.9837 3,007,219,606 8 60 0.003975175
F1 3,700,471,586 1.0898 3,395,551,097 7 19 0.018124819
L1 978,715,380 0.9902 988,401,717 10 2637 0.002668733
L1 981,386,124 0.9789 1,002,539,712 10 243 0.007599000
L1 870,112,357 0.9590 907,312,155 8 44 0.007857931
L1 926,322,021 1.0270 901,968,862 6 14 0.039231565
Random Totals: 53,264,352,390 55,151,668,175 2,099 85,341
CATG D1 EXCEPTION VALUES: 652,950 552,896
CATG J EXCEPTION VALUES: 356,199,365 377,320,259
Total Test Values(2) 53,621,204,705 55,529,541,330

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,776,477,067

Confidence Interval Values(5)

Local Test Value: 53,621,204,705 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 52,753,064,263 (State Test Value minus Margin of Error Percent)
State Upper Limit: 58,306,018,397 (State Test Value plus Margin of Error Percent)

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