help me with my statistics hw
http://gyazo.com/0030f7bc34234ad2d9a7ccd1c02e5149
September 22, 2012
help me with my statistics hw
http://gyazo.com/0030f7bc34234ad2d9a7ccd1c02e5149
12 Comments • Newest first
[quote=ItsReal]i made my ogive on excel with frequency on the y axis and the hits on the x, what do i look for with the 84[/quote]
Look for the cumulative percent of days when there are 84 "or" more hits.
You did your graph wrong. Go look-up what an Ogive is.
i made my ogive on excel with frequency on the y axis and the hits on the x, what do i look for with the 84
[quote=ItsReal]its 128 not 125[/quote]
You're right, the chart is very throwy-offy. You already have it done but it should of been "number of days/total number of days = % of days". The chart is already done though, you just need to construct an Ogive. English and Math need to be very careful with each other X_X.
Eff stats.
its 128 not 125
[quote=ItsReal]i only included the decimals because thats what i got when i divided[/quote]
I'm not really sure what you have but the only time you need to divide is when you are finding out the relative frequency. To find that, you take the number of days/ max hit for each row.
For Instance (on the first row):
number of days: 32/ max hits 125 = % of days (in decimal form)
when i did that I got .256 which is basically 25.6% but they're only using 2 decimal places. Does that make sense? Cause I feel like I'm not making sense.
http://www.mathway.com/
Gives the answers instantly for free.
You can pay a few dollars to use it for a set amount of time & it'll give you the work for it
Used this in high school.
i only included the decimals because thats what i got when i divided
Sorry, I reedited that cause i figure it might throw you off.
I meant the problem does not have their format in decimal form for the "% of days" and "cumulative % of days". It's in percent form and to have it in decimal form (if that's what you're used to) you just move the decimals 3 spots to the left.
edit* 2 spots to the left X_X
wat do u mean does not have to be in decimal form
Let me put it into perspective.
Looking at the chart from left to right*
Hits= Number of classes(class width)
Number of days = Frequency
% of days= Relative Frequency (problem does not have in decimal form)
Cumulative % of days = Cumulative Frequency (problem does not have in decimal form)
An Ogive is a graph with a curve going up. You need to distinguish what the x and y axis are going to be; read your book.
Edit* Before you can get to problems b and c, you need to construct an Ogive.
nope dont get it ;3
Think of the chart as a frequency distribution chart.