My Math Forum  

Go Back   My Math Forum > High School Math Forum > Algebra

Algebra Pre-Algebra and Basic Algebra Math Forum


Reply
 
LinkBack Thread Tools Display Modes
November 23rd, 2012, 09:06 AM   #1
Senior Member
 
Joined: Mar 2012

Posts: 118
Thanks: 0

Find Sk and Find Kv ( i got example formula below)

CI(class interval)
7-9
10-12
13-15
16-18
19-21
F(FREQUENCY)
2
10
12
9
7
a.find Sk (skewness)
b.find kv (kurtosis)
c.Graph the destribution
kingkos is offline  
 
November 23rd, 2012, 09:42 AM   #2
Math Team
 
Joined: Oct 2011
From: Ottawa Ontario, Canada

Posts: 10,906
Thanks: 716

Re: Find Sk and Find Kv

http://www.itl.nist.gov/div898/handbook ... eda35b.htm
Denis is offline  
November 23rd, 2012, 09:52 AM   #3
Senior Member
 
Joined: Mar 2012

Posts: 118
Thanks: 0

Re: Find Sk and Find Kv

guys help me answer this pls
kingkos is offline  
November 24th, 2012, 07:59 PM   #4
Senior Member
 
Joined: Mar 2012

Posts: 118
Thanks: 0

Re: Find Sk and Find Kv

the formula i have on my notebook is sk=3(x-x)/q and kv = QD/ P90-P10


and how to draw here or i just say the question is about normal destribution
kingkos is offline  
November 24th, 2012, 09:55 PM   #5
jks
Senior Member
 
jks's Avatar
 
Joined: Jul 2012
From: DFW Area

Posts: 603
Thanks: 83

Math Focus: Electrical Engineering Applications
Re: Find Sk and Find Kv ( i got example formula below)

Try looking at http://www.tc3.edu/instruct/sbrown/s...kewnessCompute. It has an example that is structured very much like your problem, with a range of values and frequency. I do not see similar formulae though.
jks is offline  
November 25th, 2012, 12:40 AM   #6
Senior Member
 
Joined: Mar 2012

Posts: 118
Thanks: 0

Re: Find Sk and Find Kv ( i got example formula below)

i did that boss do you think its sure check my formula is kinda different.but if no one answer i will do that one formula in your link



the formula is kinda different there is always 3/2 at the end of your formula thats y im confuse and wanted some1 to answer it
kingkos is offline  
Reply

  My Math Forum > High School Math Forum > Algebra

Tags
find, formula



Search tags for this page
Click on a term to search for related topics.
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
rearrange formula to find for y keith6292 Elementary Math 2 January 10th, 2013 01:02 PM
find P(X+Y>3) using the following formula. fc_groningen Advanced Statistics 0 December 7th, 2010 01:50 AM
formula to find Hoempa Elementary Math 7 April 9th, 2010 11:28 AM
Find the explicit formula andyb Calculus 2 July 21st, 2009 04:51 AM
Please help me find the formula! SoDifficult Algebra 0 April 29th, 2009 10:49 PM





Copyright © 2017 My Math Forum. All rights reserved.