Which of the Following Statements Is False

question 66

Multiple Choice

Which of the following statements is false?

• A) Dividing the covariance by the volatilities ensures that correlation is always between -1 and +1.
• B) Volatility is the square root of variance.
• C) The closer the correlation is to 0, the more the returns tend to move together as a result of common risk.
• D) If two stocks move together, their returns will tend to be above or below average at the same time, and the covariance will be positive.

Understand the application of different bootstrap confidence interval methods (e.g., percentile, BCa) depending on the bias and sample size.

Apply the concept of resampling with replacement in the bootstrap method.

Analyze the effect of sample size on the reliability of bootstrap inference.

Understand the principles and validity conditions of permutation tests compared to other statistical tests.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much individual values deviate from the mean.

Represent

To depict or stand in for something in a particular manner, often used in the context of data approximation or symbolization.

Exclusive Range

A statistical range that does not include the endpoint values, denoting the variability within which certain data points fall.

Formula

A mathematical expression that defines a relationship between multiple variables.