If expected inflation is constant and the nominal interest rate decreases by 2 percentage points, then the real interest rate a. increases by 2 percentage points. b. increases, but by less than 2 percentage points. c. decreases, but by less than 2 percentage points. d. decreases by 2 percentage points.

The food services division of cedar river amusement park inc. is studying the amount families who visit the amusement park spend per day on food and drink. a sample of 40 families who visited the park yesterday revealed they spent the following amounts: see worksheet 1 for data and answer the following questions: a. organize the data into a frequency distribution, using seven classes and 15 as the lower limit of the first class. what class interval did you select? b. what percent of families spent less than $45? c. what percent of families spent $55 or more? d. how many families spent from $65 to 74.99?