Data Analysis 5.9A, 5.9B, 5.9C

Front

What is data analysis?

Back

Data analysis is the process of inspecting, cleaning, transforming, and modeling data to discover useful information, inform conclusions, and support decision-making.

Front

What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.

Front

What does positive correlation mean in a scatterplot?

Back

Positive correlation means that as one variable increases, the other variable also tends to increase.

Front

What does negative correlation mean in a scatterplot?

Back

Negative correlation means that as one variable increases, the other variable tends to decrease.

Front

What does no correlation mean in a scatterplot?

Back

No correlation means there is no apparent relationship between the two variables.

Front

How do you find the total from a data set?

Back

To find the total, you add all the individual values together.

Front

What is the difference between the greatest and least value in a data set?

Back

The difference is calculated by subtracting the least value from the greatest value.

Front

What is a data point?

Back

A data point is a single value or observation in a data set.

Front

What is the purpose of using graphs in data analysis?

Back

Graphs help visualize data, making it easier to identify trends, patterns, and relationships.

Front

What is the mean of a data set?

Back

The mean is the average of a data set, calculated by adding all values and dividing by the number of values.