Every Saturday, Workout Nation holds a 45 minute aerobics class. Weekday aerobics classes last 30 minutes. The number of weekday classes varies. Last week there were a total of 165 minutes of aerobics classes available. How many weekday aerobics classes were there.

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.