The average daily temperatures of a city in the United States were recorded for one year. The graph below shows the
information. What is the median and the standard deviation of the average daily temperatures of this city?
72
78
84
90
96
102
a
b.
66
90; 36
36, 6
C. 84; 6
d. 84:8

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?