Question

The price per share of electric company's stock during 9 days, rounded to the nearest dollar, was as follows: 16, 17, 16, 16, 18, 18, 21, 22, 19. Use a box plot to determine how much greater the third quartile's price per share was than the first quartile's per share

Answer 1

$4.0

#See solutions for details.

Explanation:

#Given our share prices as:16, 17, 16, 16, 18, 18, 21, 22, 19

# I have used
`alcula.com` to plot a box plot and determine the first and third quartile price difference:

`Third \ quartile-First \ Quartile=20-16\\=4`

Hence the third quartile is greater than the first quartile by $4.0