It is extremely important for a researcher to clearly define the variables in a study because this helps to determine the type of analysis that can be performed on the data. for example, if a researcher wanted to describe countriescountries based on isbn left parenthesis international standard bookisbn (international standard book number right parenthesis group identifiernumber) group identifier, what level of measurement would the variable "isbn group identifierisbn group identifier" be? now suppose the researcher felt that certain countries who were farthercountries who were farther northnorth received higher identifying numbersidentifying numbers. does the level of measurement of the variable change? if so, how?

Profits from using currency options and futures. on july 2, the two-month futures rate of the mexican peso contained a 2 percent discount (unannualized). there was a call option on pesos with an exercise price that was equal to the spot rate. there was also a put option on pesos with an exercise price equal to the spot rate. the premium on each of these options was 3 percent of the spot rate at that time. on september 2, the option expired. go to the oanda. com website (or any site that has foreign exchange rate quotations) and determine the direct quote of the mexican peso. you exercised the option on this date if it was feasible to do so. a. what was your net profit per unit if you had purchased the call option? b. what was your net profit per unit if you had purchased the put option? c. what was your net profit per unit if you had purchased a futures contract on july 2 that had a settlement date of september 2? d. what was your net profit per unit if you sold a futures contract on july 2 that had a settlement date of september 2