The following time series plot presents the number of countries participating in the Summer Olympic games in each Olympic year from 1952 through 2016.

Refer to Exercise 30.

Someone says “Although the number of gold medals won by the United States didn’t change much from 1952 to 1972, the performance of the United States steadily improved during that period.” Which feature of the plot of the number of participating countries justifies that statement?

Exercise 30

The following time-series plot presents the number of Summer Olympic events in which the United States won a gold medal in each Olympic year from 1952 through 2016.

Transcribed Image Text:

1952- 1956- 1960- 1964- 1968- 1972- 1976- 1980- 1984- 1988- 1992- 1996- 2000- 2004- 2008- 2012- 2016- Number of Countries 58