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1) Which type of correlation does this scatterplot show? positive correlation negative correlation no correlation Pat's lower grades tend to follow weeks where she studies less. Getting higher grades will cause Pat to study less the week before the test. Pat will never study more than 4.5 hours. Pat's grades are going down. 2. Pat recorded the scores she received on tests compared with the number of hours she studied on the week before the tests. 100 80 60 40 20 0 1 Study time (Hours) 2 3 4 5 What does the scatterplot imply about the relationship between her test score and the time she studied before the test? 3) Which type of correlation does this scatterplot show? positive correlation negative correlation no correlation 4) Which type of correlation does this scatterplot show? positive correlation negative correlation no correlation 5) Which trend line best fits the scatterplot below? A C B 6. Which description below best describes what an outlier is to a set of data? It is always the point (0,0). A point that is very different from the other points in the data. A point that follows the same pattern as the rest. A point that is just like all the rest. |