Refer to the accompanying Minitab-generated scatterplot. a. Examine the pattern of all 10 points and subjectively determine
Question:
Refer to the accompanying Minitab-generated scatterplot.
a. Examine the pattern of all 10 points and subjectively determine whether there appears to be a correlation between x and y.
b. After identifying the 10 pairs of coordinates corresponding to the 10 points, find the value of the correlation coefficient r and determine whether there is a linear correlation.
c. Now remove the point with coordinates (10, 10) and repeat parts (a) and (b).
d. What do you conclude about the possible effect from a single pair of values?
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a Looking at the scatterplot there appears to be a positive correlation between x and y The points t...View the full answer
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Related Book For 
Mathematical Interest Theory
ISBN: 9781470465681
3rd Edition
Authors: Leslie Jane, James Daniel, Federer Vaaler
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