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Line of best fit quiz - day 1

Quiz by Andree Grove

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8 questions
Show answers
  • Q1
    a line drawn in a scatter plot to fit most of the dots and shows the relationship between the two sets of data
    independent variable
    response variable
    Line of best fit
    correlation coefficient
    30s
  • Q2
    A measure of the association between 2 variables. If 2 variables tend to move up or down together, they are said to be positively correlated. If they tend to move in opposite directions, they are said to be negatively correlated.
    line of best fit
    outlier
    scatter plot
    Correlation
    30s
  • Q3
    A graph that illustrates the correlation between two or more variables. Positive correlations create these where the data forms a curve or line going up and negative correlations create curves on these that go down. Also called a scatter gram.
    line of best fit
    negative correlation
    Scatter Plot
    positive correlation
    30s
  • Q4
    a positive one near 1.0 indicates two variable are positively related; a negative number indicates a negative relationship; zero indicates no relationship
    negative correlation
    scatterplot
    outlier
    correlation coefficient
    30s
  • Q5
    A scatter plot that has a positive trend, or both variables either increase or decrease simultaneously
    positive correlation
    30s
  • Q6
    A scatter plot that has a negative trend, or one of the variables increases while the other variable decreases
    negative correlation
    outlier
    independent variable
    positive correlation
    30s
  • Q7
    A scatter plot that has no trend, there is usually no relationship between the variables
    positive correlation
    looks like the sky
    no correlation
    negative correlation
    30s
  • Q8
    In a set of data that has a trend, the points that are different from the trend.
    outlier
    scatter plot
    correlation coefficient
    line of best fit
    30s

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