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Scatter Plot Review

Quiz by Alexandra Berish

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11 questions
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  • Q1
    What does a scatter plot show?
    the frequency of an event
    the total sum of values
    the relationship between two variables
    the average of a set of numbers
    30s
  • Q2
    Which of the following best describes a positive correlation in a scatter plot?
    There is no discernible pattern between the variables.
    As one variable increases, the other variable decreases.
    As one variable increases, the other variable also increases.
    Both variables remain constant.
    30s
  • Q3
    In a scatter plot, what does each point represent?
    A predicted outcome based on the data
    An individual data point with values for two variables.
    A line connecting two variables
    The average of all the data points
    30s
  • Q4
    What might a scatter plot with no clear pattern indicate about the relationship between two variables?
    Both variables are identical.
    There is a strong negative correlation.
    There is a strong positive correlation.
    There is no significant correlation between the variables.
    30s
  • Q5
    What is the purpose of adding a line of best fit to a scatter plot?
    To show the exact values of all points
    To change the scale of the axes
    To indicate how many points there are
    To summarize the trend of the data points.
    30s
  • Q6
    How can outliers be identified in a scatter plot?
    By looking for points that lie directly on the line of best fit.
    By finding points that form a perfect line with other points.
    By spotting points that are far away from the general cluster of data points.
    By counting the number of points in the plot.
    30s
  • Q7
    What could a scatter plot with a downward slope suggest about two variables?
    Both variables increase together.
    Both variables are constant.
    There is no relationship between the variables.
    As one variable increases, the other variable decreases.
    30s
  • Q8
    What does it mean if a scatter plot shows a cloud of points with no discernible direction?
    The variables have a strong positive correlation.
    The variables have a strong negative correlation.
    There is likely no correlation between the variables.
    The variables are identical.
    30s
  • Q9
    What does the x-axis typically represent in a scatter plot?
    The dependent variable only
    The average of the values
    The total number of data points
    One of the variables being analyzed.
    30s
  • Q10
    Why might a scientist use a scatter plot to present data?
    To visualize the relationship between two quantitative variables.
    To list all individual data values
    To sort data into categories
    To show the cumulative frequency
    30s
  • Q11
    What does the trend line in a scatter plot represent?
    The minimum value in the data set
    The average of all data points
    The exact value of each data point
    The general direction or pattern of the data points
    30s

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