a) Determine the correlation coefficient between the percentage of people who get greater than 7 hours of sleep and the percentage who score in the 95th percentile on cognitive tests. b) Find the equation of the regression line for the percentage who get greater than 7 hours of sleep and the percentage who score in the 95th percentile on cognitive tests. c) What percentage of people can we anticipate score in the 95th percentile on cognitive tests in a generation where 27% get greater than 7 hours of sleep? Generation Millennials Gen X Boomers Gen Y Percentage who get greater than 7 hours of sleep (x) 41 Millennials 53 Gen X 64 Boomers 68 Gen y Percentage who score high (95th percentile) on cognitive tests (y) 39 Millennials 47 Gen X 56 Boomers 66 Gen Y
Use the following data to answer Questions a, b, and c.
a) Determine the
b) Find the equation of the regression line for the percentage who get greater than 7 hours of sleep and the percentage who score in the 95th percentile on cognitive tests.
c) What percentage of people can we anticipate score in the 95th percentile on cognitive tests in a generation where
Generation
Millennials
Gen X
Boomers
Gen Y
Percentage who get greater than 7 hours of sleep (x)
41 Millennials
53 Gen X
64 Boomers
68 Gen y
Percentage who score high (95th percentile) on cognitive tests (y)
39 Millennials
47 Gen X
56 Boomers
66 Gen Y
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