Why can a fraction, a decimal, or a percent be written in equivalent forms?

What is the size of the matrix resulting from

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Determine the solution for mc001-1.jpeg