Match each of the following characteristics or scenarios with either the term negative externality or the term positive externality.
a. overallocation of resources:
b. tammy installs a very nice front garden, raising the property values of all the other houses on her block:
c. market demand curves are too far to the left (too low):
d. underallocation of resources:
e. water pollution from a factory forces neighbors to buy water purifiers:

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?