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OCT -09 -1996 1522 <br />BRIAN M OLSEN 612 286 2174 P.10 <br />-w. <br />Policy Analysis Paper $11 <br />- July 1, 1982 <br />Page 6 <br />Table 2 <br />Difference in Mean Percent Increase in Assessed <br />Value for Group Nome Blocks and Control Blocks. <br />(:ainnesota ICF -MRs; 14 Paired Blocks. 1981) <br />Paired Difference in Means <br />Blocks Percent Increase, t- values <br />X <br />df <br />pc <br />A .91 -.226 15 .83 <br />8 4.78 -1.377 22 .18 <br />C 3.04 -.538 13 .6D <br />D -.50 -.103 17 .92 <br />E .89 -1.222 37 .23 <br />F -1.79 1.232 10 .25 <br />G .38 -.206 35 .84 <br />El -5.09 1.619 56 .11 <br />I -.33 -.197 34 .85 <br />J .02 -.004 <br />14 .99 <br />K -1.54 .335 55 .74 <br />L -1.41 .897 48 .37 <br />M 6.73 -1.403 21 .18 <br />TOTAL .74 <br />a) The mean percentage increase for control blocks was subtracted from the <br />mean percentage for the corresponding group home block. <br />b) The t -test helps determine if the difference between means is significantly <br />different. The higher the t- value, the more Likely that the difference in <br />means is real and not the result of chance fluctuation. None of the t- <br />values here are statistically significant (for p < .05). <br />c) The p value refers to statistical probability value. The p Value of .05 <br />indicates the probability of the event's occurrence (by chance) is less <br />than 1 to 20. <br />OCT-07 -1996 1544 <br />6126256619 <br />Page 15 <br />95; p. 1E1 <br />