I've completely forgot how this works.

Here's my table, could anyone please start me off with the std dev of some of these:

http://img170.imageshack.us/img170/5...viationsm4.jpg

Thanks in advance! In a pickle.

- Apr 10th 2008, 10:25 AMAdamIneptDesperate Dissertation help: Likert scale analysis 1-5 and Standard Deviation
I've completely forgot how this works.

Here's my table, could anyone please start me off with the std dev of some of these:

http://img170.imageshack.us/img170/5...viationsm4.jpg

Thanks in advance! In a pickle. - Apr 10th 2008, 03:25 PMAryth
I'll do the Standard Deviation for Item 2:

1: Find arithmetic mean:

2. Find the deviation of each number from the mean:

3. Square each Deviation:

4. Add the squares:

So, we have:

5. Now we divide by the number of values:

6. Now we take the positive square root of what we have so far:

And there you go.

A formula would be:

Where:

- Apr 10th 2008, 03:38 PMAdamInept
- Nov 2nd 2009, 07:14 PMLeest deviation query
Can you explain how you got top numbers in step 2......25/6, 1/6 etc?

Thanks

Lee