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From the table calculate the mean of the scores above
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Scores 5 8 3 2
Frequency 3 1 5 6

From the table above calculate the mean of the scores above

A. 3.2

B. 3.4

C. 3.1

D. 3.3

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peter
Asked by peterrep:1.4K
University of Lagos Nigeria
07 May 2020

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james_mark
James_mark answeredrep:559
School not set Nigeria
23 July 2020
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Mean for grouped data = Σ(fx)/Σf

Scores(x) frequency(f) fx
5 3 18
8 1 8
3 5 15
2 6 12
  Total (Σf) = 15 Total (Σfx) = 50

Mean = 50/15

= 3.3

Ans D

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