PLEASE EXPLAIN THIS QUESTION 5.19 Explain any possible flaws in this conclusion

Question

PLEASE EXPLAIN THIS QUESTION

5.19 Explain any possible flaws in this conclusion [18]:

A drinker consumes more than twice as much beer if it comes in a pitcher than in a glass or bottle, and banning pitchers in bars could make a dent in the drunken driving problem, a researcher said yesterday. Scott Geller, a psychology professor at Virginia Polytechnic Institute and State University in Blacksburg, Va., studied drinking in three bars near campus. [O]n average, bar patrons drank 35 ounces of beer per person when it came from a pitcher, but only 15 ounces from a bottle and 12 ounces from a glass.

Table 5.4 Exercise 5.17 Month Married Fraction of Divorces Month Married Fraction of Divorces January 0.064 July 0.087 February 0.068 August 0.103 March September 0.067 0.090 October 0.073 0.078 November May 0.080 0.079 December June 0.1 17 0.087

Explanation / Answer

The assumption made here is that "A drinker consumes more than twice as much beer if it comes in a pitcher than in a glass or bottle".

While arriving at this conclusion the researcher sampled 3 bars near the campus, calculating the amount of beer being cconsumed.

The problems with the assumptio is as followes-

1) The sample size seems to be very small, only data from 3 bars are evaluated that to are nearby.

2) Also it could be that the people who wanted to drink more beer used to order in pitchers where as the ones who were not looking to consume more beer were ordering via bottles and glasses. Hence giving the false idea of the vice versa.

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