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
Phoenix [80]
3 years ago
13

Explain what the standard deviation is for a set of data.

Mathematics
2 answers:
Nataly [62]3 years ago
8 0

Answer:

The Standard Deviation is a measure of how spread out numbers are. You might like to read this simpler page on Standard Deviation first. But here we explain the formulas. The symbol for Standard Deviation is σ (the Greek letter sigma)

maria [59]3 years ago
3 0

Answer:

Shows the variation in data(average of all means of the data)

Step-by-step explanation:

Ok,so, if for example, data is grouped close together, then the standard deviation will be small, if the data is more spread out then the deviation will be larger.  How to tell?

Well, it all depends on the distance away from the mean. The center is usally where the mean is. How far from the mean is your data?

How to calculate?

-There are multiple equations you can use depending on your data.

If you are analyzing data which represents a larger set, use sample standard deviation, if you collect data from every member of the set, then use population standard deviation.

First, calculate the mean(average) of each set of data.

Then subtract the deviance(subtract mean from each number -/+)

Square each deviation

add up all squared deviations

Divide the number by one less than the number of items in the data. (If it was 5 it would be 4.)

Then calculate the square root of the resting value.

You might be interested in
Which is the equation in slope intercept form for the line that passes through (-3,3) and is parallel to 3x + y= 7?
Helga [31]

Answer: B

See how I get

3 0
3 years ago
Read 2 more answers
Explain why 323.202 is least<br> than 323.21 even though 202 is Grater than 21
matrenka [14]
It is less than 324.21, because as you can see, all the numbers are equal until you get to the 0 & 1, and 1 is greater than 0
7 0
3 years ago
Read 2 more answers
A man earned $180 for working 14 hours. How many hours must he work to earn 300
RideAnS [48]

Answer:

it would be roughly 24 hours

Step-by-step explanation:

180÷14

12.8571428571

simplify to 12.85

12.85× X = 300

X=24

8 0
2 years ago
Please answer the question in the picture
olga nikolaevna [1]

answer:

(3x+5)(x+1)

explanation:

3x^2 +8x + 5

3x^2 +3x+5x + 5

3x(x+1)+5(x+1)

(3x+5)(x+1)

4 0
2 years ago
Read 2 more answers
Jack is learning how to save,spend,and give his money away. He has determined to give away 10% if his summer job earnings. If he
romanna [79]

Answer:

Jack earned $2560 this summer.

Step-by-step explanation:

Given:

Money given away = $256

Percentile of money give away = 10%

We need to find the total money he earned this summer.

Solution:

Let the total money he earned this summer be 'x'.

So we can say that;

Money given away is equal to Percentile of money give away multiplied by total money he earned this summer and then divided by 100.

framing in equation form we get;

\frac{10}{100}\times x = 256\\\\\frac{x}{10}=256

Now multiplying both side by 10 we get;

\frac{x}{10}\times 10=256\times 10\\\\x=\$2560

Hence Jack earned $2560 this summer.

6 0
3 years ago
Other questions:
  • Help me hurry can someone these equations
    14·1 answer
  • What is the growth factor of the following example? Assume time is measured in the units given.
    7·2 answers
  • cassandra is trying to think of a good way to keep her financial records. She makes a lot of purchases, using cash, debit cards,
    7·2 answers
  • A watch manufacturer believes that 60% of men over age 50 wear watches. So, the manufacturer took a simple random sample of 275
    8·1 answer
  • Town M is 282 feet below sea level. Town R is 679 feet above sea level. How much higher, in feet is Town R than M?​
    13·1 answer
  • Find this area of a triangle
    11·1 answer
  • Please help quick need an answer will give brainliest
    6·1 answer
  • Answer this question:What is the difference between 9 &lt; x and 9 = x? Explain.
    13·1 answer
  • Linda made a scale drawing of her classroom for her math project. She used a scale of 1 cm = 2.5 ft. If the length of her classr
    15·1 answer
  • NEED ANSWER IN FIVE MINUTES!!!!!!!!
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!