Introduction to Stats 1.1

Front

What is the difference between Descriptive and Inferential statistics?

Back

Descriptive statistics summarize and describe the characteristics of a data set, while Inferential statistics use a sample to make inferences or predictions about a population.

Front

What is a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn, such as all registered voters in a city.

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a population, used to estimate characteristics of the whole population.

Front

What is the level of measurement for the weight of fish caught?

Back

Ratio - because it has a true zero point and allows for comparison of absolute magnitudes.

Front

What does it mean for a sample to be representative of a population?

Back

It means the sample accurately reflects the characteristics of the population, allowing for valid inferences.

Front

What is the purpose of conducting a survey?

Back

To gather data and insights from a specific group to understand trends, opinions, or behaviors.

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Front

What is the significance of a sample size in statistics?

Back

A larger sample size generally leads to more reliable and valid results, reducing the margin of error.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data represents numerical values.

Front

What is a survey bias?

Back

Survey bias occurs when the sample or survey method leads to results that are not representative of the population.