Introduction to Statistics and Probability

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Questions and Answers

What is a dependent variable?

A variable that is influenced by another variable.

Give an example of a dependent variable.

If dependent = 2n, then variable y is dependent because y is influenced by n.

Define an independent variable.

A variable that is not influenced by another variable.

What is the origin of the word 'statistics'?

<p>The word 'statistics' is derived from the word 'status'.</p> Signup and view all the answers

How is an independent variable characterized?

<p>An independent variable is not influenced by any other variable.</p> Signup and view all the answers

Define 'observation' in the context of statistics.

<p>Anything that can be measured or observed is called an observation.</p> Signup and view all the answers

What is a constant?

<p>A quantity with a fixed value.</p> Signup and view all the answers

Explain the term 'population' in statistics.

<p>A population is the set of all units of observation in a particular study sharing common features.</p> Signup and view all the answers

What is a 'sample' in statistics?

<p>A sample is a subset of data selected from a population.</p> Signup and view all the answers

Differentiate between variables and constants in statistics.

<p>A variable is a quantity that varies, while a constant remains the same.</p> Signup and view all the answers

What are some important terminologies in statistics according to the text?

<p>Observation, Population, Sample, Variables and Constants, Data, Qualitative and Quantitative data, Inequalities, Rounding, Summation, Factorial.</p> Signup and view all the answers

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