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2009 Property Value Study
CAD Summary Worksheet

199 Rockwall


Category Number of Ratios ** 2009 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 174 4,869,586,053 1.00 8.06 74.71 92.52 1.03
B. Multi-Family Residences 0 38,169,520 * * * * *
C. Vacant Lots 0 234,914,110 * * * * *
D. Rural Real 21 844,779,195 .98 13.85 57.14 71.42 1.04
F1. Commercial Real 51 904,682,565 .99 7.55 78.43 94.11 .96
F2. Industrial Real 0 63,755,420 * * * * *
G. Oil, Gas, Minerals 0 0 * * * * *
J. Utilities 4 136,349,990 * * * * *
L1. Commercial Personal 23 280,666,805 1.03 8.02 69.56 91.30 1.17
L2. Industrial Personal 0 78,189,270 * * * * *
M. Other Personal 0 11,859,430 * * * * *
O. Residential Inventory 0 120,527,520 * * * * *
S. Special Inventory 0 12,737,610 * * * * *
Overall 273 7,596,217,488 1.00 8.47 74.72 91.20 1.01

* 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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