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website story that appeared on September 27, 2013. The story was
written for National Coffee Day and describes the nutritional
content of gourmet coffee beverages such as cappuccinos and lattes
sold at popular coffee shops like Dunkin' Donuts, Starbucks, and
Mcdonald's.
Which
variable, sugar content or number
of calories is
the explanatory variable?
According the scatterplot, does there appear to
be strong, moderate,
or weak correlation between
the two variables?
According to the scatterplot, does the correlation appear to
be positive or negative?
According to the scatterplot, does the correlation appear to
be linear or nonlinear?
Using the data displayed in the Excel worksheet and the
statistical functions on your calculator, find the value of
the linear correlation coefficient r. Express its
value
to three or four decimal
places.
с D E F F G Н 1 J K K L м N A B 1 Sugar content (g No. of Calories 2 127 1050 3 130 1050 4 101 700 88 670 83 640 87 640 89 560 Caloric vs. Sugar Content Series 1 1,000 750 12 500 14 15 16 250 0 0 250 500 750 29988 19 1,000 22 23 24