On San Martin Boulevard, embedded sensors kept track of the vehicle traffic count each hour for five

Question:

On San Martin Boulevard, embedded sensors kept track of the vehicle traffic count each hour for five weekdays, Monday through Friday between 6 a.m. and 8 p.m. (5 weeks 3 14 hours 5 70 observations).
(a) Visually estimate the quartiles Q1, Q2, Q3.
(b) Estimate x min Traffic and xmax.
(c) Is the symmetric?

Distribution
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