1. n/2 = 38/2 =19
2) median is the mean of the 19th and 20th number.
Mean = 12/2 = 6
find the median for the given frequency
score, x = 1,2,3,4,5,6,7,8,9,10
frequency, f = 1,1,3,3,5,7,5,5,7,1
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