Making Inferences

Front

What is an inference?

Back

An inference is a conclusion drawn from evidence and reasoning rather than from explicit statements.

Front

How can graphs help in making inferences?

Back

Graphs visually represent data, making it easier to identify trends and patterns that can lead to valid inferences.

Front

What is a circle graph?

Back

A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions.

Front

What is a bar graph?

Back

A bar graph is a chart that presents categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

Front

What does it mean to generalize from a survey?

Back

To generalize from a survey means to make broad conclusions about a larger population based on the responses of a smaller sample.

Front

What is a valid inference?

Back

A valid inference is a conclusion that logically follows from the data presented and is supported by evidence.

Front

Why is it important to consider the sample size in surveys?

Back

A larger sample size generally provides more reliable data and leads to more accurate inferences about the population.

Front

What is the difference between a fact and an inference?

Back

A fact is a statement that can be proven true or false, while an inference is a conclusion based on reasoning from facts.

Front

How can biases affect survey results?

Back

Biases can skew results by influencing who is surveyed or how questions are asked, leading to inaccurate inferences.

Front

What is the significance of comparing groups in surveys?

Back

Comparing groups helps identify differences and similarities, which can lead to meaningful inferences about preferences or behaviors.