Question
Mathematics Question on Mean, median, mode and standard deviation
Figure out the standard deviation (SD) for the following scores: 2, 4, 3 and 7 (Mean = 4).
A
1.35
B
1.87
C
1.96
D
2.16
Answer
1.87
Explanation
Solution
The correct answer is (B) : 1.87 and (D) : 2.16