Business Statistics Project

Executive Summary I conducted an experiment to test whether or non the price of a book on Amazon.com would propel the amount of money of valuations that were received. I set upd the innovation of a J-shaped product dispersion curve by conducting four unlike surmise tests with proportions. The existence of statistically significant differences in the center of 1 super supporter and 2 Star rating proportions, as well as mingled with 5 Star and 4 Star using the hypothesis testing procedure supports this claim. I alike 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 however 3% of the story for ratings leaving 95.5% to be explained by some other factors, showing that in that location is a diminutive relationship between the both variables. I concluded that price does not influence the amount of rati ngs 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 check 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 sprightlinessing at, the first creation jumper cable ratings which is ordinal data. With the ratings I only look at the trend which is 1 for a one friend rating, 1 for a two star rating, 2 for a troika star rat ing, 6 for a four star rating, and 21 for a ! five-spot star rating. Overall this is say us that with all the 50 products combined there were more 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 hold back a full essay, order it on our website: OrderCustomPaper.com

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