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tutyfruity29
26.07.2019 •
Mathematics
If the variance of 3,4,6,y,(y+3) and 9 is 21.6. what is the standard deviation of 6,8,12,2y,(2y+8) and 18?
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Ответ:
17
Step-by-step explanation:
4.1 squared is 17
8 sqaured is 64 which sums up to 81 which is 9 sqaured