FB 15 - 2-Way Tables and Scatterplots

Front

What is a 2-way table?

Back

A 2-way table is a statistical table that displays the frequency distribution of two categorical variables, allowing for the analysis of the relationship between them.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables, with points representing individual data points plotted on a Cartesian plane.

Front

What does a positive correlation indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What is a strong correlation?

Back

A strong correlation means that the data points are closely clustered around a line of best fit, indicating a strong relationship between the variables.

Front

What is a weak correlation?

Back

A weak correlation means that the data points are more spread out and do not closely follow a line of best fit, indicating a weaker relationship between the variables.

Front

How do you determine the number of respondents in a survey?

Back

The number of respondents in a survey is determined by counting the total number of individuals who participated in the survey.

Front

What is the formula to calculate percentage?

Back

Percentage = (Part/Whole) x 100.

Front

How do you interpret a scatterplot?

Back

To interpret a scatterplot, look for patterns, trends, and the direction of the relationship between the two variables.

Front

What does it mean if there is no correlation?

Back

No correlation means that there is no discernible relationship between the two variables; changes in one variable do not affect the other.