World Cities

Question 1

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.

  1. How many elements are in this data set?
  2. How many variables are in this data set?
  3. How many observations are in this data set?
  4. Name the variables and indicate whether they are categorical or quantitative.

 

Question 2

A student has completed 20 courses in the School of Arts and Sciences. Her grades in the 20 courses are shown below.

  1. Develop a frequency distribution and a bar chart for her grades.
  2. Develop a relative frequency distribution for her grades and construct a pie chart.

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