Identify which type of sampling is used. To avoid working late, a quality control analyst simply inspects the first 100 items produced in a day.     Stratified random sample     Simple random sample     Convenience sample     Matched pair sample     Cluster random sample

An electronics manufacturer test every 300th cell phone to verify that it is functioning properly.Identify the kind of sample that is being used.

You are conducting a statistical survey of library users. There are approximately 2500 people in the population (library patrons in a month), and you have a full list of their names, phone numbers, addresses, time & date of last visit, and any other reasonable information. If you want to create and survey a fair sample of 25 people, describe how you could do so using the following techniques. Be sure to include how you would contact your subjects.   Simple random sampling  Systematic random sampling  Stratified random sampling

What is the shape of the sampling distribution?