Natalie was out at a restaurant for dinner when the bill came. Her dinner came to $29. After adding in a tip, before tax, she pa
1 answer:
You might be interested in
Answer:
COV (all stocks) = 0.55
COV (stocks and bonds) = 0.82
Step-by-step explanation:
Coefficient of Variation is used to measure variability.
It is defined as the ration of standard deviation and the mean.
It can be used to compare variability of two population or two samples.
Formula:
where are data points,
is the mean and n is the number of observations.
x: 14, 0, 39, 25, 32, 27, 28, 14, 14, 15
y = 6, 2, 29, 17, 26, 17, 17, 2, 3, 5
Since coefficient of variation of x is less compared to y, thus it could be said bonds does not reduce overall risk of an investment portfolio.
Answer:
The volume of the given pyramid is 300 cm³
Step-by-step explanation:
The volume of a pyramid, , is given as follows;
The height of the pyramid = 12 cm
The side length of the square base of the pyramid = 5 cm
The base area of the pyramid polyhedron with square base = 5 cm × 5 cm = 25 cm²
Therefore, by substitution, we have;
The volume of the given pyramid, V = 300 cm³.