Twenty-six and seventeen hundredths
Answer
given,
the standard deviation:-
of the students height in the class = 4.2 inches
of the male heights in the class = 3.4 inches
of females height in the class = 3.3 inches
standard deviation is the deviation of the value from the target value.
the given question standard deviation of the students is more than that of the individual standard deviation of the heights of males and females because of the distribution of the entire class has more dispersion.
So if the number is less than 5, then round down to 0
if the number is 5 or more then round up to 10
4.25
5=5 so
4.2+0.10=4.3
5(x + 1) (3x - 8)
Hope this helps!
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