Solving first 4 as per HOMEWORKLIB POLICY. Please post rest in a separate question. Thank you.
A. Sample mean would be the total movies watched/25
B. Standard deviation of a population is given by
where mu is mean of the population, N is the number of populatio. Putting values in and calculating, we get
C. The histogram has been created below
The table has been filled below. Explanation follows
|No of movies||Frequency||Relative Frequency||Cumulative Relative Frequency|
Relative frequency=frequency of current number/total frequency (which is 25 in our case)
Cumulative Relative Frequency=sum of all relative frequencies till that number.