taxes Property Tax Assistance

2020 Confidence Interval Detail

Collin County
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 7,995,346,598 0.9818 8,143,559,379 242 29,458 0.003152716
A 8,162,799,658 0.9929 8,221,169,965 248 23,046 0.003378056
A 8,260,920,004 0.9910 8,335,943,495 249 18,194 0.003861145
A 7,728,595,760 0.9933 7,780,726,628 243 10,092 0.005076129
B 1,276,395,418 0.8136 1,568,824,260 11 66 0.014611850
B 1,444,289,694 0.8118 1,779,120,096 9 41 0.002565987
B 1,671,899,683 0.8514 1,963,706,463 9 34 0.007703385
B 2,447,776,643 0.8764 2,792,990,236 8 34 0.012229240
C1 61,048,598 0.8735 69,889,637 10 294 0.077733216
C1 74,619,916 0.9737 76,635,428 9 77 0.110654165
C1 84,956,595 0.9581 88,671,950 8 30 0.028559278
C1 100,900,918 0.9429 107,011,261 5 12 0.074674499
F1 4,398,059,047 0.9267 4,745,936,168 10 1,170 0.051102275
F1 3,419,688,957 0.9080 3,766,177,265 8 168 0.007047652
F1 3,878,101,499 0.9056 4,282,355,896 10 62 0.042936168
F1 3,265,632,669 0.9417 3,467,805,744 6 13 0.003027991
L1 1,039,108,541 1.0401 999,046,766 10 2,499 0.004646283
L1 1,063,481,384 0.9974 1,066,253,643 10 227 0.008525860
L1 986,560,643 0.8496 1,161,206,030 9 44 0.061312946
L1 1,365,679,243 1.0540 1,295,710,857 5 12 0.007446186
Random Totals: 58,725,861,468 61,712,741,167 1,119 85,573
CATG D1 EXCEPTION VALUES: 626,622 521,479
CATG J EXCEPTION VALUES: 392,905,190 409,114,598
Total Test Values 59,119,393,280 62,122,377,244

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,106,118,862

Confidence Interval Values(5)

Local Test Value: 59,119,393,280 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 59,016,258,382 (State Test Value minus Margin of Error Percent)
State Upper Limit: 65,228,496,106 (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