taxes Property Tax Assistance

2023 Confidence Interval Detail

Collin County
043-912/Prosper ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 2,297,998,171 0.9759 2,354,747,588 98 4,728 0.003415311
A 3,197,480,162 0.9681 3,302,840,783 100 5,262 0.005423504
A 4,775,252,150 0.9666 4,940,256,725 99 6,386 0.005068237
A 6,119,891,760 0.9556 6,404,240,017 100 5,647 0.010969674
B 854,679,485 1.1454 746,184,289 8 31 0.004449075
C1 88,293,088 0.9394 93,988,810 13 183 0.033721899
C1 115,555,289 0.9013 128,209,574 9 56 0.079292986
C1 83,986,812 0.9278 90,522,539 7 20 0.058514635
C1 126,258,085 1.2650 99,808,763 4 12 0.046123402
F1 297,196,432 0.9610 309,257,473 12 235 0.015678964
F1 331,730,752 0.9941 333,699,580 12 75 0.002732454
F1 280,588,588 0.9649 290,795,510 9 23 0.020178672
F1 376,907,671 1.0356 363,951,015 6 12 0.004646743
L1 86,470,308 0.9952 86,887,367 12 370 0.026466919
L1 108,699,881 0.9372 115,983,655 8 47 0.010787427
L1 83,226,802 0.9371 88,813,149 6 10 0.003941814
Random Totals: 19,224,215,436 19,750,186,837 503 23,097
CATG D1 EXCEPTION VALUES: 1,530,928 1,263,256
CATG L1 EXCEPTION VALUES: 80,736,541 78,538,233
Total Test Values 19,306,482,905 19,829,988,326

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 991,499,416

Confidence Interval Values(5)

Local Test Value: 19,306,482,905 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 18,838,488,910 (State Test Value minus Margin of Error Percent)
State Upper Limit: 20,821,487,742 (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