What measure of center best represents the data set?
{27, 29, 26, 28, 25}
a. mean only
b. median only
c. mode only
d. mean or median

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

part a: 1.08

part b: 27.59