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Mean,median and mode of frequency distribution

Asked Apr 29, 2009, 04:28 PM — 1 Answer
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

Thanks.

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Perito Posts: 3,141, Reputation: 781
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#2

May 5, 2009, 08:29 PM
The mean is found by adding up the number each film times its frequency and dividing that total by the total frequency (52).

The median is found by lining up the (film times frequency) and locating the middle.

The mode is the most commonly watched film.
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