The data list shows the cost, in dollars, of different brands of sneakers at a shoe store.

44.99, 59.99, 32.30, 65.00, 52.59

What is the population standard deviation, to the nearest tenth, of the data (assuming this is all of the data)?

Question

The data list shows the cost, in dollars, of different brands of sneakers at a shoe store.

44.99, 59.99, 32.30, 65.00, 52.59

What is the population standard deviation, to the nearest tenth, of the data (assuming this is all of the data)?

Naughtyyy · Answer

Lol

Naughtyyy · Answer

Can easily do that one a graphing calculator

b1az3 · Answer

$\color{#0cbb34}{\text{Originally Posted by}}$ @Naughtyyy
Can easily do that one a graphing calculator
$\color{#0cbb34}{\text{End of Quote}}$
 what is it

Naughtyyy · Answer

How many decimals?

Naughtyyy · Answer

Should be 11.5339

b1az3 · Answer

11.0

Naughtyyy · Answer

Yeah population standard deviation is 11.53390584.

Naughtyyy · Answer

You can just use a TI-84 calculator and put it in a list by hitting the stat button.  Then hit stat again and use 1var-stat and it will tell you.

Naughtyyy · Answer

sigmax = 11.53390584.

Naughtyyy · Answer

If you wanted the standard deviation of a sample it would be Sx which is 12.89529876.

jhonyy9 · Answer

use  the population standard deviation formula

@AZ opinion pls. - ty

Naughtyyy · Answer

Who actually calculates it using a formula.

Naughtyyy · Answer

No one.

Naughtyyy · Answer

@jhonyy9

jhonyy9 · Answer

σ = ([Σ(x - u)2]/N)1/2

Where:

σ is the population standard deviation
Σ represents the sum or total from 1 to N
x is an individual value
u is the average of the population
N is the total number of the population