misspicafunpoke
20.07.2019 •
Mathematics
The height (in feet) of a sample of trees in the school playground: 12.5, 9.8, 13.5, 11.2, 12.3, 14.2, 11.7, 9.8, 12.6, 10.4 what is the mean and standard deviation?
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Ответ:
standard deviation = 1.43 ft
Ответ:
standard deviation = 1.43 ft
Ответ:
5,14,23
Step-by-step explanation:
arithmetic sequences are in form:
a(n)=a(o)+d(n-1)
substitute a(3)=23 and a(26)=230
solve and gives
d=0
a(0)=5
a=5+9(n-1)
a(1)=5
a(2)=14
a(3)=23