taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
057/Dallas
057-916/Richardson ISD

Category Summary

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

Stratum
Variance
A 2,266,004,900 0.9625 2,354,290,805 248 17,068 .011240832
A 2,309,326,800 0.9557 2,416,372,083 250 11,888 .008927889
A 2,432,482,200 0.9660 2,518,097,516 250 9,075 .008679498
A 2,993,846,410 0.9653 3,101,467,326 250 7,168 .005128614
B 363,056,860 1.0309 352,174,663 22 495 .124275223
B 426,410,700 0.9677 440,643,485 9 57 .008334579
B 335,951,280 0.9380 358,157,015 7 20 .018869635
B 460,149,910 0.9638 477,432,984 6 13 .010053844
F1 1,010,536,830 0.9196 1,098,887,375 16 846 .018853332
F1 1,044,019,240 0.8601 1,213,834,717 15 258 .070081009
F1 1,090,679,870 0.9179 1,188,233,871 15 89 .022538097
F1 1,088,444,930 0.9133 1,191,771,521 11 22 .003181625
L1 372,545,840 1.1818 315,235,945 13 2,039 .064657603
L1 365,220,990 1.0786 338,606,518 11 307 .007582404
L1 407,512,720 1.0075 404,479,127 9 88 .021652250
L1 373,340,810 1.0083 370,267,589 6 18 .027441766
Random Totals: 17,339,530,290   18,139,952,540 1,138 49,451  
Catg J Exception Values: 115,811,795   119,795,248      
Catg D1 Exception Values: 8,517   9,040      
Total Test Values (4): 17,455,350,602   18,259,756,828      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 912,987,841

Confidence Interval Values (5)

State Lower Limit: 17,346,768,987 (State Test Value minus Margin of Error Percent)
Local Test Value: 17,455,350,602 (Within Confidence Interval)
State Upper Limit: 19,172,744,669 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 17,537,628,235 (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