SOLUTION: a student computed the average of her 7 test scores by adding the scores together and dividing the total by the number of tests. the average was 87. on her next test she scored a

Question 782040: a student computed the average of her 7 test scores by adding the scores together and dividing the total by the number of tests. the average was 87. on her next test she scored a 79. what is her new test average?
a) 83
b) 84
c)85
d) 86
Answer by Wendy__Woo(1) (Show Source): You can put this solution on YOUR website!
Answer: d) 86
First calculate the total marks achieved on the first seven tests by doing: 7*87 = 609
The add the score of the eighth test to get the total marks of the eight tests: 609+79 = 688
Finally divide this total by the number of tests taken to get your final answer: 688/8 = 86
RELATED QUESTIONS
A student computed the average of her 7 test scores by adding the scores together and... (answered by TimothyLamb)

A Student has two test scores. The difference between the scores is 12 and the mean, or... (answered by ewatrrr)

The final grade for a class is calculated by taking 75% of the average test score and... (answered by fcabanski)

I have a statistics problem where I am suppose to find the mean, median, and sum of... (answered by stanbon)

8 scores have an average of 6, adding scores of 15 and x make the average 7, what is... (answered by richwmiller)

a student has two test scores. the difference between the scores is 12 and the mean or... (answered by robertb)

A student received test scores of 82%, 94%, 89%, and 91%. What is the student's test... (answered by josmiceli)

For a certain student, the average of ten test scores is 80. If the high and low scores... (answered by Edwin McCravy)

Six students took a unit test and received the following scores: Student 1 - Score 78 (answered by macston)