This table below gives the scores of a group of students in a Further Mathematics Test.

Score 1 2 3 4 5 6 7
Frequency 4 6 8 4 10 6 2

Calculate the mean deviation for the distribution

a

4.32

b

2.81

c

1.51

d

3.90

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Explanation

Correct Option
c

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Discussions (4)

quadri101
3 months ago

and they’ll end up saying we are expected to use at most 50sec per question.
now how do they expect us to use that when solving this type of question 😭
when I was solving it I made a symbol mistake which led to both waste of time and the question.

Mtayyib
3 months ago

eyyah sorry

Tike123
2 months ago

it really annoying

Anyanuwa
1 year ago

okay

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