Older, Calmer. As we age, daily stress and worry decrease and happiness increases
Chapter 7, Problem 59(choose chapter or problem)
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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