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Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Relative Frequency 1 30 0.6   2 15     3       Determine the Cumulative Relative Frequency for taking 2 classes.  

A cardiologist is interested in the average recovery period for her patients who have had heart attacks. Match the vocabulary word with its corresponding example.  

Ski resorts are interested in the average age that children take their first ski and snowboard lessons. They need this information to optimally plan their ski classes. Match the vocabulary word with its corresponding example.  

Political pollsters may be interested in the proportion of people that will vote for a particular cause. Match the vocabulary word with its corresponding example.  

200 people are asked how many siblings they have? The (incomplete) results are shown below: Siblings Frequency Relative Frequency Cumulative Relative Frequency 0 20 0.1   1 90     2 60     3 0     4       What percent of the people have exactly 4 siblings? Give your answer as a percent and not a decimal. And there is no need to type in the %.   

A marriage counselor is interested in the proportion the clients she counsels that stay married. Match the vocabulary word with its corresponding example.  

A bank manager is interested in the average length of time that customers are willing to wait in line before they give up and leave the bank. Match the vocabulary word with its corresponding example.  

Identify the type of data (quantitative – discrete, quantitative – continuous, or qualitative) that would be used to describe a response. Time in Line to Buy Groceries  

A web administrator is interested in the average number of visitors per day that her website receives. Match the vocabulary word with its corresponding example.  

A college administrator wants to survey 250 students that attend her college to see if students are satisfied with the course offerings. Match the strategies to their corresponding sampling techniques.