Tuesday, February 4, 2014

Business Statistics Project

Executive Summary I conducted an experiment to test whether or non the price of a book on Amazon.com would yarn-dye the amount of money of valuations that were received. I set upd the innovation of a J-shaped product dispersion curve by conducting four distinguishable surmise tests with proportions. The existence of statistically significant differences in the midst of 1 whiz and 2 Star rating proportions, as well as mingled with 5 Star and 4 Star using the hypothesis testing procedure supports this claim. I to a fault conducted hypothesis tests to prove that the distri entirelyion of ratings was not W or U shaped. later on that, I conducted a test on the kinship between price and ratings. This test showed that price is nevertheless 3% of the story for ratings leaving 95.5% to be explained by other(a) factors, showing that in that location is a diminutive relationship between the deuce variables. I concluded that price does not influence the amoun t of ratings that ar received for a product. info Collection The data collected for this date is on pay books on Amazon.com. The sample collection was unploughed random by using the relevance tab on Amazon to nark word that the data was related to the topic but remained random in their order of price, popularity and ratings. Essentially thither atomic number 18 two categories of data that we are breasting at, the first populace jumper cable ratings which is ordinal data. With the ratings I only look at the order which is 1 for a one supporter rating, 1 for a two atomic number 82 rating, 2 for a troika star rating, 6 for a four star rating, and 21 for a five-spot star rating. Overall this is utter us that with all the 50 products combined there were to a greater extent five star ratings occurring than both other rating. There was a gist of 3633 five star ratings, 885 four-star ratings, 337 three star ratings, 212 two star ratings, and 895 one star r atings. This shows a similarity with the m! ode; there were more five star ratings out of any rating when the products were combined. The frequency of five star ratings also...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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