jonathanmalone
12.05.2021 •
Mathematics
These are the means and standard deviations for samples of heights from
two kinds of trees.
Tree A
Mean: 25 ft
Standard deviation: 5 ft
Tree B
Mean: 60ft
Standard deviation: 12 ft
Select the two true statements.
A. Tree A's heights are more spread out than tree B's heights
B. Tree A has a lower average height than tree B.
C. Tree A has a greater average height than tree B.
D. Tree A's heights are less spread out than tree B's heights.
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Ответ:
To find the density of an object, you divide the mass by the volume. Therefore, we can write the following equation. All we need to do is input our values and solve.
D = M / V
20 = M / 1000
20,000 = m