IM1 Interpreting Data

Front

What is the total number of people surveyed if 100 people participated?

Back

100 people participated in the survey.

Front

How can you estimate a student's exam score based on their absences using a scatterplot?

Back

You can use the trend line on the scatterplot to estimate the score. For example, a student with 6 absences should score approximately 76.

Front

What does a scatterplot represent in terms of data relationships?

Back

A scatterplot shows the relationship between two variables, allowing for visual interpretation of trends and correlations.

Front

How do you interpret a trend line in a scatterplot?

Back

A trend line indicates the general direction of the data points, helping to predict values based on existing data.

Front

What is the significance of the x-axis and y-axis in a scatterplot?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable.

Front

How can you predict the number of pages in a book based on the number of chapters using a scatterplot?

Back

By locating the number of chapters on the x-axis and following the trend line to the y-axis, you can estimate the total pages.

Front

What is the total number of male math teachers in 2006 according to the data?

Back

There were 35 male math teachers in 2006.

Front

How do you calculate the total number of cars sold over a weekend?

Back

Add the number of cars sold on Saturday and Sunday. For example, if 5 cars were sold on Saturday and 3 on Sunday, the total is 8.

Front

What is the purpose of using data visualization tools like scatterplots?

Back

Data visualization tools help to simplify complex data, making it easier to identify patterns, trends, and relationships.

Front

What does it mean if data points in a scatterplot are closely clustered together?

Back

If data points are closely clustered, it indicates a strong correlation between the two variables.