Line of best fit quiz - day 1

QuizÂ by Andree Grove

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8 questions

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- Q1a line drawn in a scatter plot to fit most of the dots and shows the relationship between the two sets of dataindependent variableresponse variableLine of best fitcorrelation coefficient30s
- Q2A 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 fitoutlierscatter plotCorrelation30s
- Q3A 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 fitnegative correlationScatter Plotpositive correlation30s
- Q4a positive one near 1.0 indicates two variable are positively related; a negative number indicates a negative relationship; zero indicates no relationshipnegative correlationscatterplotoutliercorrelation coefficient30s
- Q5A scatter plot that has a positive trend, or both variables either increase or decrease simultaneouslypositive correlation30s
- Q6A scatter plot that has a negative trend, or one of the variables increases while the other variable decreasesnegative correlationoutlierindependent variablepositive correlation30s
- Q7A scatter plot that has no trend, there is usually no relationship between the variablespositive correlationlooks like the skyno correlationnegative correlation30s
- Q8In a set of data that has a trend, the points that are different from the trend.outlierscatter plotcorrelation coefficientline of best fit30s