Below are the monthly salaries for all 16 employees of the StatCorp Data Analysis Corporation. Answer the questions that follow by yourself or with a partner. Monthly salaries: 12800 6000 7500 5859 7350 7250 6500 6350 6125 5230 5100 2800 2500 2500 1) Find the mean and standard deviation of employee's salaries. Why are we using u and σ ? H = H = The StatCorp Corporation Activity 7400 5760 2) Business has been good, so every employee receives a raise of $1000. What will happen to the mean and standard deviation? P = σ = 3) Business has not been good. salaries). Predict the new mean and standard deviation of salaries? Suppose that we have to cut everyone's pay by $800 (the original P = σ = P = 4) Suppose that we doubled everyone's original salary. What will happen to the mean and standard deviation? σ: σ = 5) Suppose that we give everyone a 30% raise over their original salary. Predict the new mean and standard deviation of salaries? 0 =

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Below are the monthly salaries for all 16 employees of the star corp data analysis corporation find the mean and as of employees salaries 

 

Below are the monthly salaries for all 16 employees of the StatCorp Data Analysis Corporation. Answer the
questions that follow by yourself or with a partner.
Monthly salaries:
6125
12800 7500 7400 7350 7250 6500 6350
6000
5230 5100 2800 2500 2500
5859
5760
5760
5230
5100
1) Find the mean and standard deviation of employee's salaries. Why are we using u and σ ?
H =
The StatCorp Corporation Activity
2) Business has been good, so every employee receives a raise of $1000. What will happen to the mean
and standard deviation?
P =
σ =
3) Business has not been good. Suppose that we have to cut everyone's pay by $800 (the original
salaries). Predict the new mean and standard deviation of salaries?
P=
σ =
P=
4) Suppose that we doubled everyone's original salary. What will happen to the mean and standard
deviation?
σ =
0 =
5) Suppose that we give everyone a 30% raise over their original salary. Predict the new mean and
standard deviation of salaries?
σ =
Transcribed Image Text:Below are the monthly salaries for all 16 employees of the StatCorp Data Analysis Corporation. Answer the questions that follow by yourself or with a partner. Monthly salaries: 6125 12800 7500 7400 7350 7250 6500 6350 6000 5230 5100 2800 2500 2500 5859 5760 5760 5230 5100 1) Find the mean and standard deviation of employee's salaries. Why are we using u and σ ? H = The StatCorp Corporation Activity 2) Business has been good, so every employee receives a raise of $1000. What will happen to the mean and standard deviation? P = σ = 3) Business has not been good. Suppose that we have to cut everyone's pay by $800 (the original salaries). Predict the new mean and standard deviation of salaries? P= σ = P= 4) Suppose that we doubled everyone's original salary. What will happen to the mean and standard deviation? σ = 0 = 5) Suppose that we give everyone a 30% raise over their original salary. Predict the new mean and standard deviation of salaries? σ =
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