This week I been looking at different survey software and messing around with statistics functions in Excel. I have used a few of the free survey software packages before. Our district uses Survey Monkey to have us assess our monthly collaborative meeting time. I had fun using the functions in Excel. I had never used the median or skew functions before this class. I am extremely comfortable using Excel and making graphs, it's going to be a whole different thing to interpret data from Excel and formulate an educated reason for findings in a research report. I have been reading Statistics in Plain English, which I bought for my Kindle app on my iPad. It's great. I feel like I finally "get" it. I am reading over this site to learn ways to make more complex graphs.
I'm looking forward to doing the survey and analysis part of this class. I think it will be very eye-opening and a great experience.
Thursday, September 23, 2010
Sunday, September 19, 2010
CEDO 540 Week 1
I'm having a bit of trouble wrapping my head around the material in this course thus far. I know why I'm having trouble, I need to be shown how to look at and complete a math problem and then walked through a few examples as I do them myself. I've always needed a mesh of hands on and direct instruction to understand new math concepts. I'm hoping we walk through how to do these problems in Monday's course or I'm going to be completely lost!! I did figure out how to compute mean, mode, median, etc using excel, which has been very helpful, but I still am lost as to how to use this data to figure out problems. I did my best to complete the worksheets for Monday, but I'm not sure I did them completely right.
Here are my questions:
What exactly does Standard Deviation tell use about a sample?
When graphing a sample, do you graph in the order you have the data listed, or do you sort the data in order?
How do you graph skew?
If mode and range are not very useful, why do we calculate them?
How do I use mean, median, mode, SD, range, and skew to get a "whole" picture of what a population might look like?
Here are my questions:
What exactly does Standard Deviation tell use about a sample?
When graphing a sample, do you graph in the order you have the data listed, or do you sort the data in order?
How do you graph skew?
If mode and range are not very useful, why do we calculate them?
How do I use mean, median, mode, SD, range, and skew to get a "whole" picture of what a population might look like?
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