Analyzing Scatter Plots and Data Clusters

What is the primary purpose of a scatter plot?

• To display a single variable

• To calculate averages

• To show a timeline of events

• To compare two variables

In a scatter plot, what does a cluster represent?

• A point far from others

• An area with no data

• A group of points close together

• A single data point

What characterizes a positive association in a scatter plot?

• Data points forming a circle

• Data points moving downwards

• Data points scattered randomly

• Data points moving upwards

How do x and y values behave in a negative association?

• Both increase

• X increases, Y decreases

• Both decrease

• X decreases, Y increases

What is the first step in constructing a scatter plot?

• Calculate averages

• Draw a line of best fit

• Label the axes

• Identify outliers

In the museum attendance scatter plot, what does the y-axis represent?

• Months of the year

• Number of people in thousands

• Days of the week

• Total revenue

Why might December have fewer visitors in the museum attendance data?

• Museum closure

• Increased ticket prices

• Holiday season

• Weather conditions

What could explain the high number of visitors in June?

• Weather conditions

• Museum discounts

• New exhibits

• School holidays

In the bookstore sales data, what does a cluster indicate?

• Most books sold within a price range

• Books not selling

• Books priced too low

• Books priced too high

What price range saw the most book sales in the bookstore data?

• 10 to 25

• 25 to 30

• 30 to 35

• 5 to 10