The following frequency distribution represents the number of hours studied per week by a sample of 50 students. The standard deviation of the number of hours studied is:
A)1.89
B)2.79
C)3.50
D)3.56

Question

The following frequency distribution represents the number of hours studied per week by a sample of 50 students.  The standard deviation of the number of hours studied is:
A)1.89 
B)2.79 
C)3.50 
D)3.56

Quizplus · Accepted Answer

The Answer of The following frequency distribution represents the number of hours studied per week by a sample of 50 students.  The standard deviation of the number of hours studied is:
A)1.89 
B)2.79 
C)3.50 
D)3.56

The Following Frequency Distribution Represents the Number of Hours Studied