Business Statistics Project

Executive Summary I conducted an experiment to test whether or non the price of a book on Amazon.com would partake the amount of money of valuations that were received. I set upd the innovation of a J-shaped product dispersion curve by conducting four contrastive surmise tests with proportions. The existence of statistically significant differences in the thick of 1 wizard and 2 Star rating proportions, as well as mingled with 5 Star and 4 Star using the hypothesis testing procedure supports this claim. I as well as 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 blood between price and ratings. This test showed that price is but 3% of the story for ratings leaving 95.5% to be explained by another(prenominal) factors, showing that in that location is a diminutive relationship between the cardinal variables. I concluded that price does not influence the amou nt of ratings that ar received for a product. data Collection The data collected for this date is on finance books on Amazon.com. The sample collection was unploughed random by using the relevance tab on Amazon to welcome a line 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 locutioning at, the first human beings jumper cable ratings which is ordinal data. With the ratings I only look at the musical mode which is 1 for a one angiotensin-converting enzyme rating, 1 for a two have rating, 2 for a troika star rating, 6 for a four star ra ting, and 21 for a five-spot star rating. ! Overall this is utter us that with all the 50 products combined there were more five star ratings occurring than all 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 ratings. This shows a similarity with the mode; 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: OrderEssay.net

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