Brooke has scores of 84, 72, 90, 95, and 87 on her first five quizzes. after taking the sixth quiz, brooke’s mean score increased.

which could be brooke’s sixth quiz score? there is more than one.
85
90
83
86
92
89

we have

set of data

step

Find the mean  on Brooke first five quizzes

we know that

if Brooke's average score increased after the sixth exam,

then

Brooke’s sixth quiz score must be greater that the mean of the first five quizzes

Let

x--------> Brooke’s sixth quiz score

so

therefore

the answer is

the bottom of the spinner is not flat.

step-by-step explanation: