Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
Spatial perception is measured on a scale from 0 to 10. Two groups of 8^th grade children are tested for spatial perception. The students in group 1 were first given a short course on spatial concepts. The students in group 2 received no such instruction. SPSS was used to calculate descriptive statistics for the two samples.
-What is the value of the pooled standard error?

A) 0.483
B) 0.693
C) 1.537
D) 0.729