taxes Property Tax Assistance

2018 Confidence Interval Detail

043/Collin
043-901/Allen ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,827,471,242 0.9548 1,913,983,287 203 7639 0.007058466
A 2,620,141,340 0.9917 2,642,070,525 186 8373 0.003316563
A 2,543,556,464 0.9886 2,572,887,380 199 6108 0.002392231
A 2,556,907,727 0.9844 2,597,427,598 186 4099 0.003426928
B 210,863,129 0.8231 256,181,666 6 12 0.029319062
B 188,836,912 0.9439 200,060,295 4 6 0.006129906
B 410,962,310 0.9690 424,109,711 4 9 0.003010346
F1 357,980,492 0.8690 411,945,330 12 218 0.115750868
F1 419,249,762 1.0468 400,506,078 9 102 0.023180212
F1 492,585,699 0.9733 506,098,530 8 40 0.018658814
F1 440,216,314 0.9938 442,962,683 3 6 0.000613028
L1 196,098,092 0.9676 202,664,419 10 644 0.004636853
L1 199,087,428 0.9846 202,201,328 10 61 0.008887144
L1 144,785,144 1.0519 137,641,548 5 10 0.003600221
L1 340,923,714 1.0004 340,787,399 2 6 0.000000371
Random Totals: 12,949,665,769 13,251,527,777 847 27,333
CATG B EXCEPTION VALUES: 193,300,000 203,082,494
CATG D1 EXCEPTION VALUES: 249,819 224,228
Total Test Values(2) 13,143,215,588 13,454,834,499

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 672,741,725

Confidence Interval Values(5)

Local Test Value: 13,143,215,588 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 12,782,092,774 (State Test Value minus Margin of Error Percent)
State Upper Limit: 14,127,576,224 (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