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
nataly862011 [7]
2 years ago
15

How do I find the standard deviation?

Mathematics
1 answer:
brilliants [131]2 years ago
6 0

Answer:

Step-by-step explanation:

Work out the Mean,

Then for every number, subtract the Mean and square the result.

Then work out the mean of those squared differences

and then take the square root of that.

You might be interested in
A comparison number sentence
andreev551 [17]
I need a little more to work with
3 0
3 years ago
F(1) = 5
MatroZZZ [7]

Answer:

a(7)=3645

Step-by-step explanation:

you have :

f(1) =a= 5

and from recursive rule: f(n) = r · f(n − 1) and f(n) = 3 · f(n − 1)

So r=3

then

a(n)=a*r^(n-1)

a(7)=5*3^(7-1)

a(7)=5*3^6=3645

<em>hope this helps</em>

<em />

7 0
2 years ago
6th grade help please math
givi [52]
1) 12 cookies per hour
2) train travels 80 miles per hour
4 0
3 years ago
Read 2 more answers
At a collage bookstore Clara purchased a math textbook and a novel that cost a total of $54 not including tax if the price of th
diamong [38]

Answer:

m+n=54 and m=3n+8 is the system of equations that could be used to determine the price of each book.

Step-by-step explanation:

Given,

Total cost of maths book and novel = $54

Let,

Cost of maths book = m

Cost of novel = n

According to given statement;

m+n=54      Eqn 1

the price of the math textbook, m, is $8 more than 3 times the price of the novel

m = 3n+8     Eqn 2

m+n=54 and m=3n+8 is the system of equations that could be used to determine the price of each book.

Step-by-step explanation:

3 0
3 years ago
Rachel's free throw average for basketball is 60%. She wants to predict how many times in the next 50 tries she will make a free
Gnoma [55]
If she shot her average she would make 30 out of 50 shots (AKA 60%) 
She could use the index cards to record each shot, recording 5 results on each one of the 10 cards


I understand this answer is really late for you but I hope you can still use it or someone else can use it if they have the same assignment

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the length in centimeters??
    14·1 answer
  • Suppose you invested $500 at an annual interest rate of 7.1 compounded continuously. How much will you have in the account after
    9·1 answer
  • Alice tossed a coin 100 times. In this experiment she recorded 53 heads and 47 tails. She
    6·1 answer
  • Need help ASAP please!
    10·2 answers
  • Determine the zeros of the quadratic function<br> f(x) = (x + 6)^2 – 9
    13·2 answers
  • Crazy Al is making apple pie. His recipe calls for 6 apples to every 1/4 cup of sugar. He want to use up all his sugar to make h
    7·1 answer
  • 8 t-shirts and a hat costs £42.00
    12·2 answers
  • What’s the answer 6-2(9)+6
    14·2 answers
  • Carlos scored 152, 138, and 160 in 3 consecutive
    6·1 answer
  • If f(x) = 5x - 7, what is {3)?<br> O A. 22<br> O B. 2<br> O c. 1<br> • D. 8
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!