You have a random sample of 150 buyers of your office equipment. You have assigned 75 buyers to rate your current product and 75 buyers to rate an improved version of your product. You prepare a cross-tabulation of the product (current & improved) and the buyers’ ratings (good, bad, indifferent). Are your data suitable for a chi-squared test?
An inventor designs a new product and takes a number of steps to develop it and market it. She contracts with a prototype company to produce a prototype, meets with a contract manufacturer to scope out manufacturing costs and discusses pricing the product with potential buyers. The inventor files a PPA for the product 17 months after she began her development steps. Does the inventor lose the right to a patent because she exceeded the 12 month statutory limit? If not, why not?