The English economist David Ricardo argued that Group of answer choices land rents were high because grain prices were high. grain prices were high because land rents were high. land rents were high because grain prices were low. None of the answers is correct grain prices were high because land rents were low.

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?