Does your estimated ∆ explain the variations seen in the wavelength and R calculations? Change the angle by 0.2° and recalculate the wavelength and R for one of your values. Comment on the changes you find.

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

im guessing the west of station b