Linear Relationships in Scatterplots

How does sketching the line of best fit help in analyzing data in a scatterplot?

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What is the purpose of sketching the line of best fit in a scatterplot?

• To represent the trend in the data

• To make the data look neat

• To show the average of the data points

• To confuse the viewer

What is the purpose of determining the correlation coefficient in a scatterplot analysis?

• To add unnecessary complexity

• To make the data look messy

• To confuse the viewer

• To measure the strength and direction of the relationship

What is the main goal of analyzing and justifying the relationship of quantitative bivariate data in scatterplots?

• To make the data look messy

• To identify trends and patterns

• To avoid data analysis

• To confuse the viewer

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Which step involves analyzing and justifying the relationship of the quantitative bivariate data in scatterplots?

• Analyze data

• Organize data

• Collect data

• Formulate questions

What is the purpose of organizing and representing numeric bivariate data using scatterplots?

• To confuse the viewer

• To simplify the data

• To make it harder to analyze

• To visually represent the data

What is the purpose of making observations about a set of data points in a scatterplot?

• To complicate the analysis

• To confuse the viewer

• To simplify the data

• To identify relationships

What type of correlation does this scatter plot show?

• positive

• negative

• no correlation

• nonlinear association