Exhibit 11-6

question 24

Multiple Choice

Exhibit 11-6.A financial analyst examines the performance of two mutual funds and claims that the variances of the annual returns for the bond funds differ.To support his claim,he collects data on the annual returns (in percent) for the years 2001 through 2010.The analyst assumes that the annual returns for the two emerging market bond funds are normally distributed.Here are some relevant summary statistics. Refer to Exhibit 11-6.At α = 0.10,is the analyst's claim supported by the data using the critical value approach?

• A)No,because the value of the test statistic is less than the critical F value.
• B)Yes,because the value of the test statistic is less than the critical F value.
• C)Yes,because the value of the test statistic is greater than the critical F value.
• D)No,because the value of the test statistic is greater than the critical F value.

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Definitions:

Neurotransmitter

Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.

Receptors

Proteins found inside or on the cell surface that respond to specific chemical signals by initiating a cellular response.

Inhibitory Synapses

These are the connections between neurons that decrease the likelihood of the recipient neuron firing an action potential.

Endorphins

Natural chemicals in the brain that act as painkillers and mood enhancers, often released during exercise, excitement, pain, and sexual activity.