연세대 계량경제학 족보 연세대 계량경제학 중간 족보.docx

1. [50 points] For a randomly selected 5 families, the following observations have been collected in the table and summary statistics are provided below the table. Note that the total number ( ) of observations is 5.
Family
( )
Airline Travel ($100)
( )
Income ($1000)
( ) 1 3 20 2 15 45 3 15 49 4 20