How do you find the variability of a sample?

Mathematics

2 answers:

k0ka [10]2 years ago

4 0

Answer:

Step 1: Calculate the mean (the average weight).

Step 2: Subtract the mean and square the result.

Step 3: Work out the average of those differences.

Step-by-step explanation:

Paladinen [302]2 years ago

3 0

Definition of Sample Variance
Step 1: Calculate the mean (the average weight).
Step 2: Subtract the mean and square the result.
Step 3: Work out the average of those differences
Info abt the formula: The variability of a data set as measured by the number R=xmax−xmin. The variability of sample data as measured by the number √Σ(x−ˉx)2n−1.

You might be interested in

What is the value of x?

jok3333 [9.3K]

$\\ \sf\longmapsto \dfrac{x}{10}=\dfrac{42}{15}$

$\\ \sf\longmapsto 15x=42(10)$

$\\ \sf\longmapsto 15x=420$

$\\ \sf\longmapsto x=\dfrac{420}{15}$

$\\ \sf\longmapsto x=28$

8 0

2 years ago

This tells you that the unknown number is multiplied by 3.

Semenov [28]

Answer:

do you have a photo, what tells us that the unknown number is multiplied by 3?

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Simplify (125)^-2/3 with positive exponents and no radicals <br>show all work.<br>PLEASE HELP

Reptile [31]

For this case, what you should keep in mind are the following considerations:

1) Rewrite the expressions correctly using the properties of the exponents: Addition, multiplication, division, subtraction and negative exponents.

2) Simplify the expression as much as possible.

Answer:
See attached image.