Use this data to answer the questions below: 2, 4, 7, 8, 9, 12, 13
What is the range of the data?

What is the second quartile Q2 (or what is the median)?

What is the interquartile range? (Q1-Q3)

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.

Find the solution on the interval [0, 2pi)