A Statistics Instructor Wishes to Know the Average Age (In

question 13

Multiple Choice

A Statistics instructor wishes to know the average age (in month) of his 200 students.He decides to choose 25 students from the class and ask them for their age.All 200 names are put in a hat and 25 names are then chosen at random (without replacement) .The average age of the students chosen is observed to be 231 months.The average age of all 200 students is known as what?

• A)The population size
• B)The sample statistic
• C)The population statistic
• D)The population parameter
• E)The sample parameter

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Definitions:

Gene Expression

The process by which genetic instructions are used to synthesize gene products such as proteins, influencing the cell's functions.

Epigenetics

Differences in gene expression related to environment and experience.

Neurotrophic Factor

Neurotrophic factors are a family of proteins that are responsible for the growth, survival, and maintenance of neurons during development and in the adult nervous system.

Brain-derived

Pertaining to substances or factors that originate from the brain, such as brain-derived neurotrophic factor (BDNF) which supports neuron growth and survival.