106k views
4 votes
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? Select three options. 85 90 83 86 92

2 Answers

4 votes

Answer:

b, d, and e

Explanation:

User VRVigneshwara
by
5.1k points
5 votes

Explanation:

Mean average = (84 + 72 + 90 + 95 + 87) / 5 = 85.6

For the mean score to increase, the new score must be greater than 85.6.

Hence the correct options are 90, 86 and 92.

User Ramzy
by
5.3k points
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