![subject](/tpl/images/cats/mat.png)
Mathematics, 07.01.2021 09:50 crjjk01
For the data set 7, 5, 10, 11, 12, the mean, x, is 9. What is the standard deviation? The formula for the sample standard deviation is s = 1 Z(x-x)? Vn-1 Use the table to help you. X - X (x - 2)2 4 -2 5 -4 1 2 4 9 Sum = Round your answer to the nearest tenth. (
A. 2.6
B. 6.8
C. 8.5
D. 2.9
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 13:30
For which rational expression is -2 an excluded value of x?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:10
Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit
Answers: 3
You know the right answer?
For the data set 7, 5, 10, 11, 12, the mean, x, is 9. What is the standard deviation? The formula fo...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/ekonomika.png)
Business, 27.11.2019 14:31
![question](/tpl/images/cats/en.png)
English, 27.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/istoriya.png)
History, 27.11.2019 14:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/istoriya.png)
History, 27.11.2019 14:31
![question](/tpl/images/cats/mat.png)
Mathematics, 27.11.2019 14:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)