Quiz 2

Mr. Thompson runs his own printing and bookbinding business. He suspects that the machine isn't putting enough glue into the book spines and decides to inspect his most recent order of 70 textbooks to test his theory. He numbers them 01-70 and, using the random digit table printed below, selects a simple random sample of 5 books to check. Which books are in the sample? 37569 85187 44692 50706 53161

37,56,51,44,69

A college professor wants to survey a sample of students taking his course. Here are some details about his course: He teaches 5 sections of the course. There are 250 total students across those sections. There are 50 graduate students and 200 undergraduate students taking the course. Each section has about 50 students (some graduate and some undergraduate). The professor wants to take a sample of 30 students for a survey. He suspects that opinions on the survey may differ the most based on student type (graduate or undergraduate), so he wants to design his sample to take that into account. Which of these strategies will accomplish his intended design?

Randomly select 6 graduate students and 24 undergraduate students for the survey.

A concert venue offers tickets in 3 zones: orchestra, grand tier, and balcony. Tickets in the orchestra zone are most expensive, and tickets in the balcony zone are least expensive. Managers of the venue want to survey approximately 150 guests at an upcoming concert about their overall experience. They want to take a systematic random sample of the 3000 guests they expect to attend. Which of these strategies will accomplish their intended design?

Randomly select one of the first 20 guests to arrive and every 20th guest thereafter to take the survey.

A store prints a request on each receipt asking customers to fill out a satisfaction survey online if they are willing. What type of sample is this?

Voluntary response sample/None of the Above

Mr. Thompson runs his own printing and bookbinding business. He suspects that the machine isn't putting enough glue into the book spines and decides to inspect his most recent order of 70 textbooks to test his theory. He numbers them 01-70 and, using the random digit table printed below, selects a simple random sample of 5 books to check. Which books are in the sample? 27788 85789 41592 74472 96773

27,57,41,59,44