How i get the answer and how i solve the problem with showing my work

Perimeter: 18.5 inches because to find the perimeter, you add all of the sides of the figure together, and 6+7.5+5=18.5

Area: 15 inches squared because the formula for the area of a triangle is: 1/2bh where b is the base and h is the height. So, 1/2(7.5)*(4) is 15

the data of the detroit pistons in numerical order from least to greatest is 0.30, 0.37, 0.55, 0.62, 0.69, 0.72, 0.73, 0.75, 0.77, 0.78, 0.80, 0.81, 0.81, 0.83, 0.84, 0.89

the data of the miami heat in numerical order from least to greatest is 0.50, 0.50, 0.56, 0.57, 0.67, 0.72, 0.72, 0.72, 0.75, 0.75, 0.76, 0.81, 0.82, 0.90, 1.00, 1.00

the detroit pistons median : 1.52

the miami heat median: 1.47

the iqr of this data is 0.05