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3 years ago

Which of the following statements correctly explains the coefficient of variation (CV)?

Mathematics

1 answer:

Vitek1552 [10]3 years ago

3 0

Answer:

A. The CV is a relative measure of risk/return.

Step-by-step explanation:

The coefficient of variation of any investment, is used to measure and calculate the total risk of that investment with respect to its per unit expected return rate.

We can also define the coefficient of variation as a ratio of standard deviation to the expected value of an investment.

The answer is - A. The CV is a relative measure of risk/return.

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The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Fin

koban [17]

Answer:

The original coordinate of

R is (-5, -5)

The new coordinate of

R is (-11, -11)

The translation rule is ( x - 6, y - 6)

The original coordinate of

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The new coordinate of

U is (-5 - 6, 1 - 6)

which is

(-11, -5)

U' = (-11, -5)

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3 years ago

Find the value of X in the image above.

zaharov [31]

Answer:

58°

Step-by-step explanation:

$(x + 6) \degree + 2x \degree = 180 \degree..(straight \: line \: \angle s) \\ \\ (3x + 6) \degree = 180 \degree \\ \\ 3x + 6 = 180 \\ \\3x = 180 - 6 \\ \\ 3x = 174 \\ \\ x = \frac{174}{3} \\ \\ \huge \red{ \boxed{ x = 58}}$

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3 years ago

Could somebody help me understand this?

pantera1 [17]

Answer:

M=a2-a1/b2-b1

Step-by-step explanation:

-3-a/-2-1

-4a/3

/-4/-4

a=3/-4

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2 years ago

A tax assessor wants to assess the mean property tax bill for all homeowners in a certain state. From a survey ten years ago, a

Jet001 [13]

Answer:

The answer is below

Step-by-step explanation:

From the table, the mean (μ) = 1390.75 and the standard deviation (σ) = 518.75

The confidence level (C) = 90% = 0.9

α = 1 - C = 1 - 0.9 = 0.1

α/2 = 0.1 / 2 = 0.05

The z score of α/2 (0.05) is the same as the z score of 0.45 (0.5 - 0.05) which is equal to 1.645.

The margin of error (E) is given as:

$E=Z_\frac{\alpha}{2}*\frac{\sigma}{\sqrt{n} } \\\\E=1.645*\frac{518.75}{\sqrt{14} } =228.07$

The confidence interval = μ ± E = 1390.75 ± 228.07 = (1162.68, 1618.82)

The confidence interval is between 1162.68 and 1618.82.

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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