The Following Shows the Temperatures (High,low)and Weather Conditions in a Given

The following shows the temperatures (high,low)and weather conditions in a given Sunday for some selected world cities.For the weather conditions,the following notations are used: c = clear;cl = cloudy;sh = showers;pc = partly cloudy.

a.How many elements are in this data set?
b.How many variables are in this data set?
c.How many observations are in this data set?
d.Name the variables and indicate whether they are categorical or quantitative.
e.For which variables are arithmetic operations appropriate and for which are they not appropriate?

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