To find the mean, add up all the scores and then divide by the total number of scores:
82 + 67 + 94 + 71 + 88 + 65 + 77 = 544
544 / 7 = 77.71
The mean of the scores is 77.71, which rounded to one decimal place is 77.1
The test scores for a class were: 82, 67, 94, 71, 88, 65, 77. What is the mean of these scores?
*
67.1
65.6
81.4
71.2
1 answer
1 answer