Question: Use software to analyze the U.S. Statewide Crime data file on the text CD on y = violent crime rate and x = percentage of
a. Construct a scatter-plot. What does it show?
b. One point is quite far removed from the others, having a much higher value on both variables than the rest of the sample, but it fits in well with the linear trend exhibited by the rest of the points. Show that the correlation changes from 0.77 to 0.59 when you delete this observation. Why does it drop so dramatically?
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a The scatterplot shows a likely positive correlation between these variables ... View full answer
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