2 answers:
Answer:
C. (250)2 + (–400)2 + (–250)2 + (350)2 + (100)2 + (–50)2 = 420,000
Step-by-step explanation:
None
Answer: Choice C)
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mean = xbar = (2400+1750+1900+2500+2250+2100)/6
mean = 2150
Subtract the data values from the mean to get
2400-2150 = 250
1750-2150 = -400
1900-2150 = -250
2500-2150 = 350
2250-2150 = 100
2100-2150 = -50
The differences are: 250, -400, -250, 350, 100, -50
Then you square those values and add up the squares
(250)^2 + (-400)^2 + (-250)^2 + (350)^2 + (100)^2 + (-50)^2 = 420,000
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Step-by-step explanation:
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Should be (3,2)
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