Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Step 1:
|
Add up all of your values.
|
|
|
Step 2:
|
Calculate the mean of your values.
|
|
|
Step 3:
|
Do your value - the mean for each data value.
|
|
|
Step 4:
|
Square the x-mean value.
|
|
|
Step 5:
|
Add up all of the squares.
|
|
|
Step 6:
|
Divide the sum of the square by the number of sets of data - 1.
|
|
|
Step 7:
|
Square root this value and you have the Standard Deviation.
|
|
|
To calculate 2 Standard Deviation:
|
Multiply the Standard Deviation value by 2. The + and - this value by the mean.
|
