Answer:
275, 350, 450, 550, 675
Step-by-step explanation:
Arrange in order
275, 300, 450, 490, 675
range 275 to 675
median 450
mean 438
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Raise 300 to 350
Raise 490 to 550
New set of prices
range 275 to 675 same
median 450 same
mean 460 increased
