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salantis [7]
3 years ago
12

For the data set 6, 5, 10, 11, 13, the mean, X, is 9. What is the standard deviation?

Mathematics
1 answer:
Ket [755]3 years ago
4 0

Answer:

standard deviation = 3.0331

Step-by-step explanation:

You can solve for this two different ways.

If you have a TI-84 calculator or something similar, type all the data into list 1. Then click the stat button, then the calc button, then 1-vars stats. This will give you mean, standard deviation, median, mode, etc.

If you are solving by hand, find the different between each data point and the mean. Square these numbers and find the average. Then take the square root of that.

3^2 + 4^2 + 1^2 + 2^2 + 4^2 = 46

46/5 = 9.2

square root of 9.2 = 3.0331

Hope this is helpful!!!!!!!!!!! :)

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Show work / explain it ​
notsponge [240]

Answer:

-4

Step-by-step explanation:

look at the screenshot

6 0
3 years ago
Use the Distance Formula to find the distance between (13, 1) and (9,- 4), rounded to the nearest hundredth.
valina [46]

Answer:

  about 6.40 units

Step-by-step explanation:

The distance formula is ...

  d = √((x2 -x1)^2 +(y2 -y1)^2)

For the given points, the distance between them is ...

  d = √((9 -13)^2 +(-4-1)^2) = √((-4)^2 +(-5)^2) = √(16 +25)

  d = √41 ≈ 6.40

The distance between the points is about 6.40 units.

4 0
3 years ago
Is 2 pounds of meat will serve 5 people, how many pounds will be needed to serve 13 people?
Rina8888 [55]

Answer:

6 pounds

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A local store has a puppy that weighs 72 ounces. How many pounds does the puppy weigh, given that 1 pound = 16 ounces?
Katyanochek1 [597]

Weight of a puppy in a local pet store = 72 ounces

Given ,

1 pound = 12 ounces

Then , 72 ounces will be equal to :

= 72 ÷ 12

= 6

Therefore , the weight of the puppy is 6 pounds .

8 0
3 years ago
PLEASE HELP I ONT GET THIS QUESTION
tatuchka [14]

Here's a trick.

Don't solve all the equations, you're given the answer to x so just substitute.

5/2*8+7/2=3/4*8+14

23.5=20 INCORRECT

5/4*8-9=3/2*8-21

1=-9 INCORRECT

5/4*8-2=3/2*8-4 <- YOUR ANSWER

8=8 CORRECT


5 0
3 years ago
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