Which of the following statements is/are true? Select one or more: Correlation is the covariance of standardized scores Scatter diagram is the most appropriate graph to visualize the relationship between two continuous variables In a linear regression line, Y=b0+b1X , if b1  is negative then, there is a negative relationship between the variables X  and Y The range of all possible values that a correlation, r  can take is −1

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A: *Answer:

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