To maintain quality control in a brewery, every 20th bottle of beer coming off the production line was opened and tested, after the first bottle was randomly selected at the beginning of the day. This led to too much beer consumption on the job. The manager decided to use a new sampling plan. The new method used a computer to randomly select 1% of the bottles produced in a given day where each bottle had the same probability of being selected. What is the name of the initial sampling method?

Boxplots are graphs that display the

Frequency distributions may be compiled for variables measured at which level?

The most appropriate measure of central tendency for gender would be the

The standard score, Z, is only useful in comparing scores from the same distribution.  

A distribution of the number of delinquent acts is highly skewed. Which measure of central tendency would you recommend for the purpose of characterizing delinquent acts? 

Which probability value below corresponds to an event that is possible, but is very unlikely?  

Which of the following data sets shows the greatest variability?

Which of the following would best depict nominal level data? 

To maintain quality control in a brewery, every 20th bottle of beer coming off the production line was opened and tested, after the first bottle was randomly selected at the beginning of the day. This led to too much beer consumption on the job. The manager decided to use a new sampling plan. The new method used a computer to randomly select 1% of the bottles produced in a given day where each bottle had the same probability of being selected. What is the name of the second sampling method?