Sangeetha Pulapaka
1


There are 6 data points:


1900 1920 1940 1960 1980 2000 2020


The median or Q_{2} will be 1950

  Q_{1} = 1930 \approx 1400 (population)

Q_{3} = 1970 \approx 3700 (population)


∴ The interquartile range ≈ 3,700 - 1,400 = 2,300


Here is how you can find quartiles:

https://www.qalaxia.com/viewDiscussion?messageId=5f63746af48a37752b5c8bbc