Homework Soursethe mean score on a set of 19 tests in 90 suppose two more s
the mean score on a set of 19 tests in 90. suppose two more students take the test and score 61 and 59. what is the new mean
Solution
mean score = (sum of all scores)/no. of scores
90 = sum of all scores/19
sum of all scores = 1710
If two more scores are added = 1710 +61+59 = 1830
mean = 1830/(21) = 87.14
