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.
- How many elements are in this data set?
- How many variables are in this data set?
- How many observations are in this data set?
- 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.
- Develop a frequency distribution and a bar chart for her grades.
- Develop a relative frequency distribution for her grades and construct a pie chart.
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