Afriend tells you about a recent study dealing with the number of years of teaching experience among current college professors. he remembers the mean but cannot recall whether the standard deviation was 6 months, 6 years, or 16 years. tell him which one it must have been, and why.

Another restaurant manager says to you, “i’ve heard that barcelona has a three-step hiring process. candidates first have an interview in which scott does most of the talking, and then they visit barcelona restaurants and record their impressions. this seems like a lot of work. what is a purpose of both these steps? ” what would you tell the manager?

What percentage of roads in germany have no speed limit?

Janette goes into an electronics superstore to buy a new computer. the salesperson works with her to find the right model, and she agrees to buy a new computer for $500 and a floor-model 18-inch monitor for $100. just when she is ready to pay, the salesperson walks away for a minute and then comes back to inform her that the monitor she was ready to purchase can't be sold for < $125. she agrees to the extra $25 even though they had initially agreed on the $100 selling price. janette has fallen for the technique of gaining compliance.