Older. Calmer. As we age, daily stress and worry decrease and happiness increases, according to an analysis of 340,847 U.S. adults, ages 18-85, in the journal Proceedings of the National Academy of Sciences. The graphs show a portion of the research. a. Find the slope of the line passing through the two points shown by the voice balloons. Express the slope as a decimal. b. Use your answer from part (a) to complete the statement: For each year of aging, the percentage of Americans reporting “a lot” of stress decreases by _________ %. The rate of change is _________ % per ___________.
Older. Calmer. As we age, daily stress and worry decrease and happiness increases, according to an analysis of 340,847 U.S. adults, ages 18-85, in the journal Proceedings of the National Academy of Sciences. The graphs show a portion of the research. a. Find the slope of the line passing through the two points shown by the voice balloons. Express the slope as a decimal. b. Use your answer from part (a) to complete the statement: For each year of aging, the percentage of Americans reporting “a lot” of stress decreases by _________ %. The rate of change is _________ % per ___________.
Solution Summary: The author explains how the slope of the equation of line is -0.5 and the rate of change is 0.5% per year of aging.
Older. Calmer. As we age, daily stress and worry decrease and happiness increases, according to an analysis of 340,847 U.S. adults, ages 18-85, in the journal Proceedings of the National Academy of Sciences. The graphs show a portion of the research.
a. Find the slope of the line passing through the two points shown by the voice balloons. Express the slope as a decimal.
b. Use your answer from part (a) to complete the statement:
For each year of aging, the percentage of Americans reporting “a lot” of stress decreases by _________ %. The rate of change is _________ % per ___________.
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