The monthly incomes for 12 randomly selected​ people, each with a​ bachelor's degree in​ economics, are shown on the right. Complete parts​ (a) through​ (c) below.   Assume the population is normally distributed.   4450.02 4596.26 4366.07 4455.49 4151.29 3727.13 4283.94 4527.24 4407.67 3946.45 4023.59 4221.11   (a) Find the sample mean.   x=enter your response here ​(Round to one decimal place as​ needed.)

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The monthly incomes for
12
randomly selected​ people, each with a​ bachelor's degree in​ economics, are shown on the right. Complete parts​ (a) through​ (c) below.
 
Assume the population is normally distributed.
 
4450.02
4596.26
4366.07
4455.49
4151.29
3727.13
4283.94
4527.24
4407.67
3946.45
4023.59
4221.11
 
(a) Find the sample mean.
 
x=enter your response here
​(Round to one decimal place as​ needed.)
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