InterviewSolution
 Saved Bookmarks
    				| 1. | 
                                    The mark distribution of 40 students in an exam is shown below. Find the standard deviation of the distribution. Marks0−1010−2020−3030−4040−50No. of Students7101265 | 
                            
| 
                                   
Answer»  The mark distribution of 40 students in an exam is shown below. Find the standard deviation of the distribution.  | 
                            |