(13) What is the predicted % Happy for a country with a Life Expectancy of 79.0 years? (1 point)?

Predicted % Happy = ______

(14) The United States' overall life expectancy was 79.0 years old, and their % happy was 91.1%. Did our model overestimate, underestimate, or accurately predict the United States' % Happy (1 point)?

OVERESTIMATEDUNDERESTIMATEDACCURATE

(15) Based on your calculations above, which do you think is a better predictor of % Happy - Life Satisfaction or Life Expectancy (1 point)?

LIFE SATISFACTIONLIFE EXPECTANCYThey're Equally Good

Why?

(16) For this second pair of variables (% Happy and Life Expectancy), what values for Life Expectancy would NOT lead to extrapolation? In other words, which Life Expectancy values are okay to use for prediction purposes (1 point)?

The next couple questions will ask you to move beyond the basic calculations you just completed and think about how we might use this information.

(17) First, name 3 variables you think could impact an individual'slife satisfaction(1/2 point each).

(a)

(b)

(c)

(18) Now, name 3 variables you think could impact an individual'slife expectancy(1/2 point each).

(a)

(b)

(c)

(19) Do any of the 6 variables you listed above also impact a person'shappiness? If so, which ones? (1 point)

(20) Looking at your answers from Questions 4 - 14, along with your responses to Questions 17 - 19 above, write a brief (2-3 sentences) description oftwodifferent actions a government official could take to increase the percent of the country's individuals who are "rather happy" or "very happy" (3 points each).

2014 World Happiness

Country	Life Satisfaction	Life Expectancy	% Happy
Mexico	6.8	74.8	94.3
Rwanda	3.3	64.9	90.4
Hong Kong	5.5	84.1	89.3
Ukraine	4.0	72.6	68.3
Brazil	6.4	74.3	91.8
United States	6.8	79.0	91.1
Philippines	5.4	71.2	89.6
China	5.3	76.7	85.0
South Africa	4.8	63.4	77.4
Nigeria	5.2	51.8	83.8
Australia	7.3	82.6	94.0
Turkey	5.3	76.6	84.4
Spain	6.3	82.9	86.1
Bahrain	6.2	79.3	72.7
The Netherlands	7.5	81.6	92.4
Poland	6.2	77.6	92.7
India	4.2	69.1	80.5
Algeria	5.3	75.1	79.9
Peru	5.7	75.3	75.9
Ghana	4.5	63.0	82.5

Source: https://ourworldindata.org/happiness-and-life-satisfaction#happiness-across-the-world-today