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Answer:
y = 28.5
x = 8.5
Step-by-step explanation:
n = 8
therefore, median = (4th value+5th value)/2
=(13+y)/2 = 20.75
13+y = 41.5
y = 41.5-13 = 28.5
total = 100
therefore x = 100 - (other values)
x = 100-(28.5 + 63)
= 100-91.5
= 8.5
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