How can I find the mean, median & mode in a grouped frequency distribution table?

Question

pooja195 · Answer

here is an example:
Steve is a film buff and likes movies of all kinds.he watches movies on a
Regular basis. Here is a record of the number of films he watched per week
Over the last year?

Number of films frequency
[0,3[ 21
[3,6[ 17
[6,9[ 7
[9,12[ 3
[12,15[ 2
[15,18[ 2
total= 52

Find the mean median and mode of this distribution

A)mean=4.84 median=3.88 mode=3
B)mean=4.85 median=3.97 mode=1.5
C)mean=252 median=6 mode=21
D)mean=4.85 median=3.88 mode=21
E)mean=252 median=3.97 mode1.5