Data Set 10-2: the IQs of a Group of Special $$\begin{array} { c c } \text { Special Ed } & \text { Not Special Ed } \\\hline 70 & 104 \\65 & 99 \\67 & 95\end{array}$$

Multiple Choice

Data Set 10-2: The IQs of a group of special education students were compared to the IQs of their siblings who were not in special education. The following data were obtained.
$$\begin{array} { c c } \text { Special Ed } & \text { Not Special Ed } \\\hline 70 & 104 \\65 & 99 \\67 & 95\end{array}$$
-The numerical value of the effect size index for Data Set 10-2 is

A) 0. to .50
B) 0.51 to 1.00
C) 1.01 to 3.00
D) 3.01 to 10.00
E) greater than 10.