1) Johnny has a used 4runner he wants to list on Craigslist. He sees similar listings to his with the following amounts:
$17500, $21000, $22000, $19500, $18500, $18300, $7900, $23000
a) Find the mean of the data
b) Find the median of the data
c) Which one would be better to use and why?
d) What is the range of the data?

i dont understand the question? ?

step-by-step explanation:

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

see explanation

step-by-step explanation:

a

(6r + 7) + (13 + 7r) ( remove brackets and collect like terms )

= 6r + 7 + 13 + 7r

= 13r + 20

b

remove brackets and collect like terms

13 - r - 1 + r

= 12 - r

c

remove brackets and collect like terms

= - 8 - r + 2r - 4

= - 12 + r

d

remove brackets and collect like terms

= 7r - - - 6r

[-   - = - - = - ]

= r -