Professor todd decides to test her hypothesis that eating chocolate prior to exams increases students' test scores. she randomly assigns students to two groups at the beginning of the semester. one group receives a bar of chocolate before each test, while the other group receives another type of candy. she compares their scores at the end of the year, and finds that the students who ate the chocolate scored an average of ten points higher on their exams. what is a fair conclusion that can be drawn from this experiment?

Sam robinson borrowed $21,000 from a friend and promised to pay the loan in 10 equal annual installments beginning one year from the date of the loan. sam’s friend would like to be reimbursed for the time value of money at a 9% annual rate. what is the annual payment sam must make to pay back his friend?

At the end of the current year, $59,500 of fees have been earned but have not been billed to clients. required: a. journalize the adjusting entry to record the accrued fees on december 31. refer to the chart of accounts for exact wording of account titles. b. if the cash basis rather than the accrual basis had been used, would an adjusting entry have been necessary?

1. all other things equal, according to the law of demand, when the price of a good falls, the demand for the good falls the demand for the good rises the quantity demanded of the good falls the quantity demanded of the good rises 2. when a market is in equilibrium, the quantity of the good that buyers are willing and able to buy exactly equals the quantity that sellers are willing and able to sell cannot be determined is less than the quantity that sellers are willing and able to sell is greater than the quantity that sellers are willing and able to sell 3. which of the following factors does not influence the demand for a good or service? consumer (buyer) income the price of related goods the number of sellers buyer expectations 4. when the number of sellers in a market increases, demand rises supply rises the price rises, all else equal the number of buyers falls