How to create a bell curve / normal distribution graph
at Excel and need help graphing a sampling distribution of of the sample proportion. sample is 150, sample proportion is .15, std deviation is .029 How do I make a normal bell curve?
I have discovered how to create a normal distribution (Bell) curve on my excel spreadsheet. The instructions on the net all seem the same, and the curve always covers the same width 1 to 8 or 9. I am trying to produce a curve to lok at a number of ratings the lowest is 0 and the highest 5 How do I amend the width of the bell. I believe it is something to do with the standard deviation number which is generated and used. But now I'm lost
I am looking to draw the following graph in my attachment (please see attached PDF).
I tried converting them into histogram and then into a bell curve, but couldn't get it to work,
because I don't understand terms such as "bin range". Can someone enlighten me on whether I need to convert the data into a histogram first then into a separate bell curve? If so, could someone show me how I should do it? Many thanks
PS - I understand that the graph I am looking for should be a normal distribution (I'm guessing it's not a standard normal distribution graph as the graph I am looking for is not one with 0 in the middle). Please kindly advise me.
I am having trouble graphing the percentage to the bell curve shape. Can
I think its too early in the morning or I have just worn my brain out with information over the last 2 weeks!
Anyway, I figured I would differ this one to the group for a simple solution!
I want to simulate a bell curve with random numbers for test data, so I need a formula to return a large percentage of numbers around a mid point and get less and less to the outside, with a very marginal amount of really wild outside points!
was where I was looking
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