statistics and probability

Algebra
Tutor: None Selected Time limit: 1 Day

Kristen bowled three games and had a mean score of 162. The next three times she bowled, she scored 138, 185, and 165. What is her mean score for all the games she bowled? 

May 20th, 2015

the mean score is the average of the mean scores;

(162+138+185+165)/4

(650)/4

=162.5


May 20th, 2015

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