Mathematics, 11.07.2019 07:00 pr4ever
There are 10 employees in a particular division of a company. their salaries have a mean of $70,000, a median of $55,000, and a standard deviation of $20,000. the largest number on the list is $100,000. by accident, this number is changed to $1,000,000. a. what is the value of the mean after the change? b. what is the value of the median after the change? c. what is the value of the standard deviation after the change?
Answers: 1
![original s^{2}=(20,000)^{2}=400000000=\frac{1}{n-1}[\sum x^{2}- n\bar{x}^{2}]](/tpl/images/0076/2017/8eaab.png)
![mod.s^{2} = \frac{1}{n-1} [\sum x^{2} - n\bar{x}^{2}]](/tpl/images/0076/2017/83654.png)
![=\frac{1}{9} [1.0426E+12 - 10 \times 160000^{2}]](/tpl/images/0076/2017/a9339.png)
      
Another question on Mathematics
Mathematics, 21.06.2019 21:30
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Mathematics, 22.06.2019 02:00
Mariano delivers newspaper. he always puts 3/4 of his weekly earnings in his savings account and then divides the rest equally into 3 piggy banks for spending at the snack shop, the arcade and the subway
Answers: 2
You know the right answer?
There are 10 employees in a particular division of a company. their salaries have a mean of $70,000,...
Questions
Business, 09.10.2019 21:10
History, 09.10.2019 21:10
History, 09.10.2019 21:10
Mathematics, 09.10.2019 21:10
History, 09.10.2019 21:10
Chemistry, 09.10.2019 21:10
Mathematics, 09.10.2019 21:10
Physics, 09.10.2019 21:10
English, 09.10.2019 21:10
Physics, 09.10.2019 21:10
English, 09.10.2019 21:10
