taxes Property Tax Assistance

2020 Confidence Interval Detail

Collin County
043-907/McKinney ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,831,090,644 0.9802 2,888,278,559 148 11,319 0.004038520
A 3,012,063,608 0.9928 3,033,907,744 146 9,343 0.004353415
A 2,944,829,212 1.0011 2,941,593,459 151 7,131 0.004447438
A 2,898,875,606 0.9859 2,940,334,320 148 4,659 0.004188913
B 232,837,325 0.5765 403,880,876 9 24 0.131136961
B 205,345,737 0.7618 269,553,343 7 8 0.019396988
B 367,917,192 0.8345 440,883,394 6 10 0.015139938
B 297,029,591 0.7971 372,655,692 5 6 0.008398081
E 357,975,124 0.9603 372,774,262 15 1,074 0.010703137
F1 646,974,330 0.8939 723,765,891 12 611 0.064949819
F1 664,285,960 0.7915 839,274,744 10 221 0.071557107
F1 703,922,458 0.9743 722,490,463 9 85 0.001334519
F1 682,043,047 1.0428 654,049,719 8 29 0.052918211
L1 288,614,076 1.0544 273,723,517 10 809 0.004735024
L1 333,332,483 1.0130 329,054,771 9 96 0.004655815
L1 286,491,051 0.9432 303,743,693 8 19 0.022918220
Random Totals: 16,753,627,444 17,509,964,447 701 35,444
CATG D1 EXCEPTION VALUES: 4,220,388 3,310,003
CATG L1 EXCEPTION VALUES: 298,665,911 330,907,483
Total Test Values 17,056,513,743 17,844,181,933

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 892,209,097

Confidence Interval Values(5)

Local Test Value: 17,056,513,743 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 16,951,972,836 (State Test Value minus Margin of Error Percent)
State Upper Limit: 18,736,391,030 (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