taxes Property Tax Assistance

2018 Confidence Interval Detail

043/Collin
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 2,186,584,429 0.9609 2,275,558,777 250 9,451 .010810357
A 2,819,208,928 0.9883 2,852,584,163 255 9,346 .004025626
A 2,897,830,190 0.9877 2,933,917,374 249 7,455 .005576395
A 3,005,797,919 0.9856 3,049,713,798 220 5,090 .005236727
B 209,686,511 0.7064 296,838,209 8 28 .057834711
B 205,934,542 0.8737 235,703,951 6 8 .009701645
B 257,390,440 0.9076 283,594,579 5 7 .002740058
B 287,829,418 1.0704 268,898,933 2 5 .000158172
E 351,035,024 0.9794 358,418,444 16 1,078 .008776371
F1 457,006,393 0.8168 559,508,317 10 475 .064550432
F1 482,088,092 0.9973 483,393,254 9 181 .002738140
F1 456,326,902 0.9577 476,482,095 9 63 .012097670
F1 533,536,008 0.9644 553,231,033 7 29 .004035281
L1 239,931,442 1.0449 229,621,439 10 789 .005604270
L1 260,366,590 0.9490 274,358,894 9 92 .003472768
L1 213,963,964 0.9978 214,435,723 7 18 .005964482
Random Totals: 14,864,516,792   15,346,258,983 1,072 34,115  
Catg D1 Exception Values: 4,336,802   3,440,427      
Catg L1 Exception Values: 239,137,218   249,776,996      
Total Test Values (4): 15,107,990,812   15,599,476,406      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 779,973,820

Confidence Interval Values (5)

State Lower Limit: 14,819,502,586 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,107,990,812 (Within Confidence Interval)
State Upper Limit: 16,379,450,226 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 15,204,874,792 (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