A Financial Analyst Maintains That the Risk,measured by the Variance,of

question 13

Multiple Choice

A financial analyst maintains that the risk,measured by the variance,of investing in emerging markets is more than 280(%) ².Data on 20 stocks from emerging markets revealed the following sample results: = 12.1% and s² = 361(%) ².Assume that the returns are normally distributed.Which of the following are appropriate hypotheses to test the analyst's claim?

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Definitions:

Stimulus Discrimination

The learned ability to distinguish between similar stimuli and respond appropriately to each one.

Green Light

An expression meaning to give approval to proceed with a project or action.

Lever Pushing

A task used in experimental psychology and behavioral neuroscience to study the principles of operant conditioning by training an animal to press a lever to receive a reward.

Red Light

A signal used in traffic lights, indicating a command to stop, or metaphorically, an indication to halt an activity or process.