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Minitab Project 2

# Minitab Project 2 - sample’s histogram will be Why...

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BUAD 310 Minitab Project 2 2. I chose the 5 class histogram a.) What do you see in the graph that might be helpful to the production and sales people? The graph shows which intervals sales occur. This is helpful to production and sales people because it can be used to see where average number of sales will occur. It can also be used to check whether sales figures are above or below the median b.) what is the shape of your chosen histogram? Why? The shape of the histogram looks asymmetrical and skewed to the right c.) what is the central value of your chosen histogram? the central value is 42 d.) how many modes does your chosen histogram have? The 5 class histogram only has one mode e.) how would you describe the spread in the data? The data spread appears to be fairly wide. 3. a.) If the statistical scheme is working, what do you expect the shape of your

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Unformatted text preview: sample’s histogram will be? Why? Roughly symmetric & not unimodal b.) What should the center of your sample be? Why? 1/2 c.) What are the chances that an element of the population will be less that 0.25? 1/4 because P(x<.25) = ¼ d.) What are the chances that an element of the population will be less than or equal 0.25 1/4 e.) If you were to take bigger samples (i.e., of size 500 or 1000), what do you expect the shape of those samples’ histograms will be in comparison to the histogram in part (a) Closer to the symmetric f.) Do you expect to see a bell shaped histogram in part (a)? Why? No because it’s not unimodal g.) How many modes (ie peaks) does the density of a uniform population have? Zero h.) (minitab)...
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Minitab Project 2 - sample’s histogram will be Why...

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