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2006 Property Value Study
CAD Summary Worksheet

199 Rockwall


Category Number of Ratios ** 2006 CAD Rept Appraised Value Median Level of Appr Coefficient of Dispersion % Ratios w/in (+/-) 10% of Median % Ratios w/in (+/-) 25% of Median Price-Related Differential
A. Single-Family Residences 402 4,118,305,425 1.03 6.22 81.34 98.75 1.00
B. Multi-Family Residences 0 30,700,790 * * * * *
C. Vacant Lots 30 191,004,053 .96 8.93 56.66 100.00 1.02
D. Rural Real 18 895,503,445 1.00 8.61 66.66 100.00 1.03
F1. Commercial Real 27 597,098,465 1.05 12.31 55.55 88.88 1.10
F2. Industrial Real 0 57,052,653 * * * * *
G. Oil, Gas, Minerals 0 0 * * * * *
J. Utilities 5 133,021,970 * * * * *
L1. Commercial Personal 0 209,258,081 * * * * *
L2. Industrial Personal 0 84,035,925 * * * * *
M. Other Personal 0 19,701,877 * * * * *
O. Residential Inventory 0 166,271,810 * * * * *
S. Special Inventory 0 8,988,237 * * * * *
Overall 482 6,510,942,731 1.02 7.13 78.21 97.71 1.05

* Not Calculated - Need a minimum of 5 ratios from either (A) categories representing at least 25% of total CAD category value or (B) 5 ISDs or half the ISDs in the CAD, whichever is less
** Statistical measures may not be reliable when the sample is small

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