The process of manipulating one or more independent variables and measuring their effect on one or more dependent variables while controlling for the extraneous variables is called a(n) ________

To accurately determine the financial performance of a company, it is necessary to compare its performance from year to year, with a competing company, and with the same industry as a whole

Indicate whether the statement is true or false

Harry is selling his rare coin collection through Marshall Auction House. Harry will not sell the collection for less than $300,000 and has the right to withdraw the collection if the highest bid is below the $300,000 minimum. Who is the offeror in this auction?

a. Harry b. The auctioneer c. The people who make bids d. a and b