A Random Sample of Size 15 Is Selected from a Normal

question 78

Multiple Choice

A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume that a two-tailed test at the 0.10 significance level is to be used. For what value of t will the null hypothesis not be rejected?

• A) To the left of -1.282 or to the right of 1.282
• B) To the left of -1.345 or to the right of 1.345
• C) Between -1.761 and 1.761
• D) To the left of -1.645 or to the right of 1.645

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Definitions:

Neuron

A specialized cell that conducts impulses through the nervous system.

Dendrite

The branched projections of a neuron that act to conduct the electrochemical stimulation received from other neural cells to the body, or soma, of the neuron from which it projects.

"Tree"

A perennial plant with an elongated stem, or trunk, supporting branches and leaves in most species.

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for receiving, processing, and transmitting information.