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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The Roper Organization (1992) conducted a study as part of a larger survey to ascertain the number of American adults who had experienced phenomena such as seeing a ghost, “feeling as if you left your body,” and seeing a UFO. A representative sample of adults (18 and over) in the continental United States were interviewed in their homes during July, August, and September 1991. The results when respondents were asked about seeing a ghost are shown in Table 12.10.
a. Find numbers for each of the following:
i. The percentage of the younger group who reported seeing a ghost
ii. The proportion of the older group who reported seeing a ghost
iii. The risk of reportedly seeing a ghost in the younger group
iv. The odds of reportedly seeing a ghost to not seeing one in the older group
b. What is the relative risk of reportedly seeing a ghost for one group compared to the other? Write your answer in the form of a sentence that could be understood by someone who knows nothing about statistics.
c. Repeat part b using increased risk instead of relative risk.

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