Consider the following data on U. S. GDP:

Year GDP (Billions of current dollars) GDP (Billions of 2012 dollars)
2014 17,521.7 16,899.8
2015 18,219.3 17,386.7
2016 18,707.2 17,659.2
2017 19,485.4 18,050.7
2018 20,494.1 18,566.4

The percentage change in nominal GDP from 2014 to 2015 was .

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?