Basics of Statistics

What is the difference between a population and a sample?

• A population is the entire group, while a sample is a subset of that group.

• A population is a random selection from a sample.

• A sample includes the entire population.

• A population is always smaller than a sample.

The specific statistical methods that can be used to summarize or to describe a collection of data is called:

• Descriptive statistics

• Inferential statistics

• Analytical statistics

• All of the above

Qualitative or quantitative: the number of hours of sleep you got last night

• Qualitative

• Quantitative

Discrete or continuous: number of new students registered during Sem 1 24/25

• Discrete

• Continuous

It is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.

• Data

• Statistics

• Variable

• Population

Complete the definition:

A _________ consists of all subjects (human or otherwise) that are being studied

• Statistics

• Number

• People

• Population

Complete the definition:

A _______ is a subset of a population

• Sample

• People

• Statistics

• Mean

Descriptive statistics .............................................................

• involves the organization, summarization, and display of data.

• involves using a sample to draw conclusions about a population.

• involves the invention, summarization, and display of

45% of CCI students are from Klang Valley

• Descriptive statistics

• Inferential statistics

This is an example of:

• Descriptive statistics

• Inferential statistics