Thanksgiving Day Holiday Hours

Quick Start for:

2007 Confidence Interval Detail
057/Dallas
057-912/Irving ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 977,373,807 0.9958 981,496,091 49 10,042 .001521902
A 977,038,283 0.9984 978,604,049 49 8,056 .001136475
A 977,183,512 0.9660 1,011,577,135 47 6,176 .030994368
A 977,104,060 0.9844 992,588,440 47 2,686 .007569978
B 282,803,226 0.8198 344,966,121 11 526 .066801166
B 282,329,409 0.9558 295,385,446 6 49 .023748739
B 289,564,996 0.9087 318,658,519 6 26 .004623853
B 266,244,648 1.0189 261,305,965 5 8 .007843733
F1 700,475,081 0.8266 847,417,228 11 848 .074802253
F1 698,802,618 0.8707 802,575,649 7 176 .014485321
F1 723,814,966 0.8217 880,874,974 6 54 .049922371
F1 674,024,971 0.9535 706,895,617 5 13 .005960691
L1 260,288,264 1.1720 222,088,962 7 1,159 .047453303
L1 262,626,076 1.0955 239,731,699 7 201 .005494144
L1 265,784,620 1.1257 236,106,085 7 68 .003745140
L1 252,343,582 1.0763 234,454,689 6 15 .009253122
Random Totals: 8,867,802,119   9,354,726,669 276 30,103  
Catg D1 Exception Values: 89,890   68,797      
Total Test Values (4): 8,867,892,009   9,354,795,466      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 467,739,773

Confidence Interval Values (5)

Local Test Value: 8,867,892,009 (Outside Confidence Interval)
State Lower Limit: 8,887,055,693 (State Test Value minus Margin of Error Percent)
State Upper Limit: 9,822,535,239 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,478,955,049 (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, D3, 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

Required Plug-ins