Mathematics, 29.10.2020 09:20 noor2005

2. Surveys of very large numbers of people conducted in 2007 and 2014 found that the percentage of Americans who said that religion is very important in their lives dropped from
56% in 2007 to 53% in 2014. The report characterized this as the percentage "ticked down"
by a "small but statistically significant margin." www. pewforum. org/2015/11/03/u-s-public-becoming- less-religious/
a. What is the difference in percentages?
b. Explain how the percentage could have just "ticked down" yet the difference is
"statistically significant."

2. Surveys of very large numbers of people conducted in 2007 and 2014 found that the

percentage o

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2. Surveys of very large numbers of people conducted in 2007 and 2014 found that the percentage of...