Please must (d)part if you know.
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Step-by-step explanation:
a) maximum salary drawn 3000
b) minimum salary drawn 1000
c) Range = max - min = 3000 - 1000= 2000
d) average = (1500+2000+1500+1000+2000+1000+1500+3000+1500+1000+1000+2000+1500+2500+1000) / 15
= 24000 / 15
= 1600
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