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Ad libitum [116K]
3 years ago
10

Need help step by step

Mathematics
1 answer:
ohaa [14]3 years ago
3 0
Mean 86.5 ((70,70,75,85,90,90,90,90,100,105 )/ 10 )
Median:90 (90+90 /2 = 90)
Mode: 90 (The number that comes  up the most)

To find the quartiles just divide the data set in fours so that each set has three numbers. 

Upper Quartile: 90 
Lower Quartile: 75
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