CAIIB_ABM_ch2

What does the term "population"

refer to in statistics?

• Only humans in a given area.

• Everything that is to be studied, not limited

  to people.

• A specific subset of a larger group.

• The average value of a dataset.

What is a "sample" in statistics?

• The same as a "population."

• A portion or subset of the population.

• The mean, median, mode, or standard

  deviation of a dataset.

• A characteristic of a parameter.

Which of the following is NOT a

characteristic of a population?

• Mean

• Median

• Mode

• Sample

When mean, median, mode, and

standard deviation describe the sample, what

are they called?

• Parameters

• Characteristics

• Statistics

• Variables

When mean, median, mode, and

standard deviation describe the population,

what are they called?

• Parameters

• Characteristics

• Statistics

• Variables

Which of the following is a characteristic of a

sample?

• Parameter

• Statistic

• Mean

• Median

What is a parameter in statistics?

• A subset of the population

• A characteristic of a sample

• A characteristic of the population

• A type of survey

What are strata in the context of statistics?

• A statistical method for reducing risk and uncertainty.

• Groups formed by dividing the population into

  relatively homogeneous categories

• The process of collecting data from the entire

  population.

• A measure of central tendency.

What is the purpose of sampling in

statistics?

• To increase the risk and uncertainty in

  decision-making.

• To make data collection more time-

  consuming and expensive.

• To improve decision-making skills by

  collecting data from a subset of the population

• To ensure that the entire population is

  tested.

Which of the following is an

example of why sampling is used?

• Opening every packet of milk to test its

  quality.

• Contacting every individual who migrated

  from one country to another.

• Taking a bite of every sweet before buying

  them.

• Conducting a census every 10 years.