1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
german
4 years ago
9

May someone help me with this question please anyone please

Mathematics
1 answer:
djverab [1.8K]4 years ago
4 0
5;\ 5;\ 5;\ 5;\ 7;\ 9\\\\\overline{x}=\dfrac{5+5+5+5+7+9}{6}=\dfrac{36}{6}=6\\\\\delta^2=\dfrac{(x_1-\overline{x})^2+(x_2-\overline{x})^2+(x_3-\overline{x})^2+...+(x_n-\overline{x})^2}{n}\\\\\delta^2=\dfrac{(5-6)^2+(5-6)^2+(5-6)^2+(5-6)^2+}{6}
\dfrac{+(7-6)^2+(9-6)^2}{6}\\\\\delta^2=\dfrac{(-1)^2+(-1)^2+(-1)^2+(-1)^2+1^2+3^2}{6}=\dfrac{14}{6}=\dfrac{7}{3}

standard\ deviation:\\\\\sqrt{\delta^2}=\sqrt{\dfrac{7}{3}}=\dfrac{\sqrt7}{\sqrt3}=\dfrac{\sqrt7\cdot\sqrt3}{\sqrt3\cdot\sqrt3}=\boxed{\dfrac{\sqrt{21}}{3}}\approx\boxed{1.53}
You might be interested in
Simplify (4x+2) 3<br><br>needed help ​
krok68 [10]

Answer:  

Step-by-step explanation:

3(4x+2)

12x + 6

4 0
3 years ago
Read 2 more answers
mike took a taxi from his hometo the airport .the taxi driver charged an initial fee of $6 plus $3 per mile. the total fare was
ryzh [129]
Mike traveled 6 miles
3 0
3 years ago
Read 2 more answers
Help your girl out !!
Usimov [2.4K]

(5x² - 6x + 2)(4x² - 3x)

20x^{4} -15x^{3} -24x^{3} +18x^{2} +8x^{2} -6x

20x^{4} -39x^{3} +26x^{2}-6x


Your answer is A

6 0
3 years ago
Read 2 more answers
A high school is having a pancake breakfast fundraiser. They have 4 packages of pancake mix that each feed 120 people. The funct
horrorfan [7]

Answer:

If

1 \leqslant no \: packages = m \leqslant 4

then

0

x = no \: members \: cooking \: team \leqslant n

Step-by-step explanation:

Imagine the space they need to host at least 120 people so they could open the second package and finish before noon

5 0
4 years ago
Sara can bake 12 cookies with 2 scoops of flour.
neonofarm [45]
12x3=36 That is the equation
6 0
2 years ago
Other questions:
  • The measure of angle θ is 7pi/4 . The measure of its reference angle is *Blank* °, and tan θ is *blank*
    6·1 answer
  • Help Dana find the sum 346 421 152
    7·1 answer
  • What is the distance between (4,7), (2,2)
    15·1 answer
  • I need help but I don’t understand it
    6·1 answer
  • Evan's Tea Shop has caffeinated tea and decaffeinated tea. The tea shop served 9 caffeinated teas and 6 decaffeinated teas. What
    10·1 answer
  • Help please urgent hmwk
    9·2 answers
  • 15 x (7x9)=(15 x 7) x 9 what is the property
    10·1 answer
  • The mean score of three students is 9. If the modal score is 11, find the lowest mark.
    10·1 answer
  • Point P is the center of the circle in the figure above. What is the value of x?
    8·1 answer
  • Please help me quick with it​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!