Which method are most companies LEAST likely to use to record the ...

[hbsimmons88]

Which method are most companies LEAST likely to use to record the number of hours their employees work?
 A) Employees pass a magnetic stripe card through a reader.
  B) Employees insert a time card into a time clock.
  C) Employees write their hours worked on a time sheet.
  D) Employees keep track of their hours worked mentally.

Question 2

One prevailing idea amongst statisticians is the idea of Garbage in / garbage out. Explain the meaning of this phrase and give an example of it.

[Cheesycrackers]

Answer to Question 1

D

Answer to Question 2

The validity of any statistical result or conclusion depends on the validity of the sampling procedure, and the data collection process.
Example: A researcher wants to determine which candidate is being favored in the next presidential election, so she goes to the mall on Saturday and asks the first 100 people she sees. Her results are not credible because she used a biased sample.