Step-by-step explanation:
quantitative variables are any variable where the data represent amount . for example height ,weight or age.
categorical variables are any variable where the data represent group. for example eye colour.
the best way to represent data by frequency table,pie chart and bar chart.
Answer:
compute its exterior angle as 360/18, which is 20 degrees
They are 20 km away from each other,
1cm=5km so 4cm=20km
