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Ten rookie police officers started working at the Pine Valley Police Dept in 2005. At that time, they all began with the same salary ($36,000/year). Today, 10 years later, the salaries of those same 1
Ten rookie police officers started working at the Pine Valley Police Dept in 2005. At that time, they all began with the same salary ($36,000/year). Today, 10 years later, the salaries of those same 10 officers are the following:
Police Officer Salaries 10 Years Posthire
OfficerSalary ($)
148,000
248,000
350,000
451,000
552,000
654,000
757,000
858,000
962,000
1069,000
 a) Calculate the mode, median and mean.
 b) Write a sentence or two describing this distribution
 c) What is the shape of the distribution? Explain your reasoning.
3. Complete the following problem:
In a study of parole board decision making in a Midwestern state, offenders were measured on the number of previous incarcerations. The data is presented below.
Prior Incarcerations (x)
Frequency (f)
6
1
5
2
4
3
3
15
2
35
1
85
0
312
Using the data in the table, do the following:
 a) Calculate the mode, median and mean.
 b) Write a sentence or two describing this distribution
 c) What is the shape of the distribution? Explain your reasoning.
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