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Life Expectancy and Gestation Periods for Animals Data were collected showing the gestation period (in days) and the average longevity (in years) for 32 animals. Assume that all conditions of the linear regression model hold. The data are available on this text’s website.
a. Make a
b. One animal lives much longer than we would expect, given its gestation period. Identify this animal.
c. From the data, find a confidence interval for the
d. Humans have a gestation period of about 266 days. Does the confidence interval for the average life span for humans seem to fit what you know about humans’ life spans? Explain.
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- Find the equation of the regression line for the following data set. x 1 2 3 y 0 3 4arrow_forwardLife Expectancy The following table shows the average life expectancy, in years, of a child born in the given year42 Life expectancy 2005 77.6 2007 78.1 2009 78.5 2011 78.7 2013 78.8 a. Find the equation of the regression line, and explain the meaning of its slope. b. Plot the data points and the regression line. c. Explain in practical terms the meaning of the slope of the regression line. d. Based on the trend of the regression line, what do you predict as the life expectancy of a child born in 2019? e. Based on the trend of the regression line, what do you predict as the life expectancy of a child born in 1580?2300arrow_forwardDoes Table 1 represent a linear function? If so, finda linear equation that models the data.arrow_forward
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