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 standard error of the difference for Data Set 10-2 is
A) 16.00
B) 4.00
C) 2.00
D) 1.00

Question

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 standard error of the difference for Data Set 10-2 is
A) 16.00
B) 4.00
C) 2.00
D) 1.00

Quizplus · Accepted Answer

The standard error of the difference is calculated using the formula for the standard error of the mean difference for paired samples. Given the data, the standard error is 2.00.

Data Set 10-2: the IQs of a Group of Special Special Ed Not Special Ed 7010465996795\begin{array} { c c } \text { Special Ed } & \text { Not Special Ed } \\\hline 70 & 104 \\65 & 99 \\67 & 95\end{array} Special Ed 706567​ Not Special Ed 1049995​​

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