1) Sarah and Andrew were comparing prices of their favorite energy bar. Eight grocery
stores sell the PR energy bar for the following prices:
$1.09 $1.29 $1.29 $1.35 $1.39 $1.49 $1.59 $1.79
Sarah claims the average price of the candy bar is $1.37 but Andrew disagreed and said the
average price of the energy bar is actually $1.41. How did Sarah and Andrew come up with
these prices? Based on their calculations, who do you think is correct and why?
2) Ms. Smith, a math teacher, recently gave a mathematics quiz in her class. The ten quiz
a) Based on the test scores above, would you say the class did well? Why or why not?