Business Statistics Project

Executive Summary I conducted an experiment to test whether or non the price of a book on Amazon.com would reckon the amount of money of valuations that were received. I set upd the innovation of a J-shaped product dispersion curve by conducting four unalike surmise tests with proportions. The existence of statistically significant differences in the midst of 1 jumper lead and 2 Star rating proportions, as well as mingled with 5 Star and 4 Star using the hypothesis testing procedure supports this claim. I overly 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 consanguinity between price and ratings. This test showed that price is whole 3% of the story for ratings leaving 95.5% to be explained by former(a) factors, showing that in that location is a diminutive relationship between the both variables. I concluded that price does not influence the amount of ra tings that ar received for a product. data 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 mark off 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 tonicitying at, the first conception jumper cable ratings which is ordinal data. With the ratings I only look at the expressive style which is 1 for a one hint rating, 1 for a two single rating, 2 for a troika star ra ting, 6 for a four star rating, and 21 for a! five-spot star rating. Overall this is grave us that with all the 50 products combined there were more than five star ratings occurring than any(prenominal) 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 need a full essay, order it on our website: OrderCustomPaper.com

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