QUESTION 1 24 points Save Answer The 2017 average yearly working hours per person and mean happiness score (on a scale from 0 -10) for 16 world countries are given in the table below. The scatterplot for these values is also given. Use this information to answer the following questions. Round all numeric answers to 3 decimal places (a) Suppose we want to use average yearly working hours to predict a country's mean happiness score. What is the explanatory variable (3 points)? (b) Suppose we want to use average yearly working hours to predict a country's mean happiness score. What is the response variable (3 points)? (c) Describe in a sentence the form, direction, and strength of the scatterplot (3 points) (d) What is the correlation between average yearly working hours and mean happiness score? (3 points) (e) Write out the regression equation for predicting a country's mean happiness score from its average yearly working hours. (3 points). (f) The 2017 average yearly working hours for Finland was 1659 hours. Use the least-squares regression line to predict the 2017 mean happiness score for Finland (3 points) (g) The actual 2017 mean happiness score for Finland was 7.8. Does the model overestimate, underestimate or accurately predict Finland's mean happiness score (3 points)? (h) What percent of the variability in mean happiness score is accounted for by average yearly working hours? (3 points). Avg. Working Hours 2255 1974 1697 1723 1738 1493 2174 1354 1863 1687 1544 1609 1590 1990 1670 1757 Mean Happiness Score 6.4 5.6 7.4 6.2 5.9 7.5 5.1 7 1 5.7 62 5.9 73 7.5 6.4 7 1 70 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit DELL