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In: Statistics and Probability

Q 1       A MANUFACTURING FIRM PRODUCES LEFT AND RIGHT WIDGETS. THE LEFT WIDGET FREQUENCY DISTRIBUTION...

Q 1       A MANUFACTURING FIRM PRODUCES LEFT AND RIGHT WIDGETS. THE LEFT WIDGET FREQUENCY DISTRIBUTION IS SHOWN HEREIN, AS IS THE RIGHT WIDGET FREQUENCY DISTRIBITON IS ALSO INCLUDED.                              
                                      
                                      
       CLASSES ARE PROVIDED, FREQENCIES ARE SHOWN , SOLVE EACH FOR THE FOLLOWING: MEAN, MEDIAN CLASS, MODAL CLASS, POPULATION AND SAMPLE STANDARD DEVIATIONS. REVIEW YOUR NOTES FOR MIDPOINTS AND MEDIAN AND MODAL CLASSES                              
                                      
                                      
                                      
       LEFT WIDGET                              
       CLASSES   FREQUENCY   MIDPOINTS                      
       50 & < 60   9                          
       60 &< 70   11                          
       70 & < 80   13                          
       80 & < 90   12                          
       90 & < 100   15                          
       100 & < 110   13                          
       110 & < 120   17                          
           90                          
                                      
       RIGHT WIDGET                              
       CLASSES   FREQUENCY   MIDPOINTS                      
       50 & < 60   11                          
       60 &< 70   13                          
       70 & < 80   15                          
       80 & < 90   19                          
       90 & < 100   16                          
       100 & < 110   14                          
       110 & < 120   12                          
           100                          
                                      

Solutions

Expert Solution

since there are not any sample given we can not find samle standard deviation.

Population standard deviation along with mean , mode and median for both left and right widget is given in the images below.


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