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 standard deviation for measurements made on the group 1 students, which is missing in the output?

A) 1.732
B) 3.807
C) 1.269
D) 0.141