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Virty [35]
3 years ago
9

PLS HELP QUICKLY !!!!!!

Mathematics
2 answers:
Blababa [14]3 years ago
7 0

Answer:

C. (250)2 + (–400)2 + (–250)2 + (350)2 + (100)2 + (–50)2 = 420,000

Step-by-step explanation:

None

Olegator [25]3 years ago
3 0
Answer: Choice C) 

--------------------------------------

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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