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