Adaface Sample Data Analysis Questions

Two companies A and B hired developers from the year 2001 to 2005. The given bar graph shows the hiring details. 

Now select the statements that are true based on the given details.
            
            A: The data given for Company A is skewed to the left.
            B: The data given for Company B is skewed to the right.
            C: The data given for Company A is skewed to the right.
            D: For Company B, mean and mode are equal.
            E: For Company B, mean is equal to median but less than mode.
            F: For Company A, median is less than mode but greater than mean.

Saffi, one of the popular schools in San Francisco did a school wide study of the students in middle school. The study found that there is a negative correlation between the time spent on Facebook per day by students and their academic achievement. How can we understand the results of this study?

A: An increase in time spent on Facebook per day causes a drop in the academic achievement of students at the middle school level.
            
            B: There is an association between an increase in time spent on Facebook per day and the drop in the academic achievement of students at Saffi. 
            
            C: An increase in the time spent on Facebook per day causes a drop in the academic achievement of students at Saffi. 
            
            D: There is an association between an increase in time spent on Facebook per day and the drop in the academic achievement of students at the middle school level.