What determines success at the Winter Olympics? Does population matter? Income? Or is it simply a matter of being in a cold place with lots of mountains? Table 2.6 describes variables in olympics_HW.dta related to the Winter Olympic Games from 1980 to 2014.

(a) Summarize the medals, athletes, and GDP data.

(b) List the first five observations for the country, year, medals, athletes, and GDP data.

(c) How many observations are there for each year?

(d) Produce a scatterplot of medals and the number of athletes. Describe the relationship depicted.

(e) Explain any suspicion you might have that other factors could explain the observed relationship between the number of athletes and medals.

(f) Create a scatterplot of medals and GDP. Briefly describe any clear patterns.

(g) Create a scatterplot of medals and population. Briefly describe any clear patterns.

(h) Create a scatterplot of medals and temperature. Briefly describe any clear patterns.

Transcribed Image Text:

TABLE 2.6 Variables for Winter Olympics Questions Variable name ID Description Unique number for each country in the data set country Name of country year Year medals Total number of combined medals won athletes Number of athletes in Olympic delegation GDP temp Gross domestic product of country (per capita GDP in $10,000 U.S. dollars) Average high temperature (in Fahrenheit) in January if country is in Northern Hemisphere or July if Southern Hemisphere (for largest city) population Population of country (in 100,000) host Equals 1 if host nation and 0 otherwise