Vocabulary Quiz - Chapter 1

What is your name?

Answer explanation

The question asks for a name, which is a personal identifier. A suitable response would be to provide your own name or a fictional one, as it directly addresses the inquiry.

What are Data?

Answer explanation

Data refers to facts, statistics, or information collected for analysis or reference. It can be in various forms such as numbers, text, or images, and is essential for decision-making and research.

What are discrete data?

Answer explanation

Discrete data refers to countable values that can only take specific, distinct values, such as the number of students in a class or the number of cars in a parking lot. They cannot be divided into smaller parts.

What does operationalize mean?

Answer explanation

Operationalize means to put a concept or plan into action or practice. It involves defining how a theoretical idea will be measured or implemented in real-world scenarios.

What is a ratio scale of measurement?

Answer explanation

A ratio scale of measurement is a quantitative scale that has a true zero point, allowing for the comparison of absolute magnitudes. Examples include height, weight, and temperature in Kelvin, where both differences and ratios are meaningful.

What is a parameter?

Answer explanation

A parameter is a variable used in a function or method to pass information. It allows functions to accept inputs, making them more flexible and reusable.

What is the interval scale of measurement?

Answer explanation

The interval scale of measurement is a numerical scale where the difference between values is meaningful, but there is no true zero point. Examples include temperature in Celsius and IQ scores.

What is a representative sample or representative sampling?

Answer explanation

A representative sample is a subset of a population that accurately reflects the characteristics of the whole group. Representative sampling ensures that the sample mirrors the diversity of the population, allowing for valid conclusions.

What is a variable?

Answer explanation

A variable is a symbolic name associated with a value and can change during program execution. It acts as a storage location in programming, allowing developers to store and manipulate data.

What are inferential statistics?

Answer explanation

Inferential statistics are methods that allow us to make conclusions about a population based on a sample of data. They help in estimating population parameters and testing hypotheses.