taxes Property Tax Assistance

2018 Confidence Interval Detail

227/Travis
246-909/Round Rock ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,183,126,239 0.9814 1,205,549,459 152 4200 0.008807383
A 1,221,702,419 0.9890 1,235,290,616 136 2971 0.005452110
A 1,246,505,505 0.9574 1,301,969,402 106 2444 0.013253491
A 1,326,810,946 0.9741 1,362,089,052 79 1983 0.022945703
B 184,467,701 0.9788 188,463,119 9 103 0.000917681
B 279,472,772 0.9569 292,060,583 4 9 0.001483867
B 208,340,140 0.9759 213,485,132 4 5 0.000993185
B 828,463,224 0.9386 882,658,453 3 10 0.005660059
F1 527,476,413 0.9457 557,762,941 9 124 0.003390545
F1 590,621,771 0.9543 618,905,764 8 41 0.000628493
F1 533,679,435 0.9543 559,236,545 5 11 0.000714267
L1 117,719,914 0.9935 118,490,100 12 244 0.052896232
L1 106,369,040 0.9309 114,264,733 10 40 0.009816898
L1 100,722,176 0.9679 104,062,585 6 11 0.001471323
Random Totals: 8,455,477,695 8,754,288,484 543 12,196
CATG D1 EXCEPTION VALUES: 176,980 90,759
CATG F1 EXCEPTION VALUES: 411,704,258 414,508,901
CATG L1 EXCEPTION VALUES: 57,795,723 58,804,030
Total Test Values(3) 8,925,154,656 9,227,692,174

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 461,384,609

Confidence Interval Values(5)

Local Test Value: 8,925,154,656 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 8,766,307,565 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,689,076,783 (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