Explain the differences between a positive, negative and no correlation (or trend) in a scatter plot. Provide an example of each type. Example: Positive correlation (or trend) graph - A football team’s number of wins increases and the number of football game tickets sold increases. Answer in 5-7 sentences

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Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.