A local ice cream shop kept track of the number of cans of cold carbonated bever

Question

A local ice cream shop kept track of the number of cans of cold carbonated beverages it sold and the temperature for each day during two months of the summer. The data are displayed in the following scatterplot: The one outlier corresponds to a day the refrigerator for the carbonated beverages was broken. Which statement is true about this scenario? If the outlier were removed, r would increase. If the temperature were measured in degrees Celsius (C = 5/9 degree (F - 32)), the value of r would change accordingly. A reasonable value of the correlation coefficient r for these data is 1.2. If the outlier were removed, r would decrease.

Explanation / Answer

Except the outlier, all other poins are close enough to a straight line. Hence,

If the outlier were removed, r would increase.

Option 1 is correct.

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