Determine if the following is an example of descriptive or inferential statistics. A hospital administrator wants to see if fewer mistakes are made if nurses are forced to take frequent breaks. After observing 300 nurses who were not forced to take frequent breaks and 400 who were forced to take frequent breaks, it was clear from the data that implementing a policy to force nurses to take frequent breaks will decrease the average number of mistakes.  

Identify the type of data (quantitative – discrete, quantitative – continuous, or qualitative) that would be used to describe a response. Number of tickets sold to a concert.  

Sixty adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # Flossing per Week Frequency Relative Frequency Cumulative Relative Frequency 0 27 0.4500   1 18     3     0.9333 6 3 0.0500   7 1 0.0167   What is the cumulative relative frequency for flossing 6 times per week? Round to 4 decimal places.  

Insurance companies are interested in the average health costs each year for their clients, so that they can determine the costs of health insurance. Match the vocabulary word with its corresponding example.  

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       What percent of students take exactly two courses? (Be sure to write your answer as a percent and not a proportion) And no need to type the % after your answer.  

Identify the type of data (quantitative – discrete, quantitative – continuous, or qualitative) that would be used to describe a response. Amount of Body Fat  

A restaurant owner is interested in the proportion of his customers who order dessert. He looks at 65 randomly selected receipts. Match the vocabulary word with its corresponding example.  

A fitness center is interested in the average amount of time a client exercises in the center each week. Match the vocabulary word with its corresponding example.  

A political action committee is interested in the proportion of all registered voters who will vote “Yes” on a measure to expand the use of solar energy. 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. Students’ GPAs