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2010 Confidence Interval Detail
043/Collin
043-905/Frisco ISD

Category Summary

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

Stratum
Variance
A 1,820,960,527 0.9787 1,860,591,118 75 10,983 .003850000
A 1,900,648,129 0.9854 1,928,808,737 75 8,839 .002307445
A 1,778,251,938 0.9854 1,804,599,085 75 6,184 .003465232
A 1,750,414,363 0.9886 1,770,599,194 75 2,736 .003272690
B 233,972,307 1.0019 233,528,603 22 258 .003605142
B 282,138,405 0.9785 288,337,665 7 13 .026180229
B 189,024,383 0.9799 192,901,707 6 7 .011379757
D3 256,310,808 1.0124 253,171,482 17 677 .029341362
F1 705,100,605 0.9076 776,884,757 11 318 .124694453
F1 661,502,940 0.9826 673,216,914 10 73 .003181480
F1 684,298,797 1.0160 673,522,438 9 29 .002150932
F1 506,385,204 1.0159 498,459,695 4 6 .000398827
L1 181,068,418 1.0273 176,256,612 10 874 .005273009
L1 152,525,833 0.9888 154,253,472 9 109 .023228618
L1 146,582,964 0.9873 148,468,514 7 22 .000869949
L1 111,772,639 0.9293 120,276,164 3 5 .003904379
Random Totals: 11,360,958,260   11,553,876,157 415 31,133  
Catg J Exception Values: 69,406,756   81,694,079      
Catg D1 Exception Values: 1,697,799   1,800,368      
Catg B Exception Values: 232,917,245   241,994,903      
Total Test Values (4): 11,664,980,060   11,879,365,507      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 593,968,275

Confidence Interval Values (5)

State Lower Limit: 11,285,397,232 (State Test Value minus Margin of Error Percent)
Local Test Value: 11,664,980,060 (Within Confidence Interval)
State Upper Limit: 12,473,333,782 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 11,506,643,203 (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

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