Kirsten calculated the mean of 10 quiz scores. Later she was told there was an error in grading one of her quizzes. A quiz score

Question

3 years ago

11

Kirsten calculated the mean of 10 quiz scores. Later she was told there was an error in grading one of her quizzes. A quiz score

of 79 was revised to 89.
How will this grading revision affect the calculated mean of Kirsten's quiz scores?
Answer Options with 4 options
A. The mean will stay the same.
B. The mean will be 1 point higher.
C. The mean will be 5 points higher.
D. The mean will be 10 points higher.

Mathematics

2 answers:

inessss [21] · Answer 1 · 2022-02-23T14:05:44+03:00

inessss [21]3 years ago

3 0

The mean will be 5 points higher...so...c would be the answer!

rodikova [14] · Answer 2 · 2022-02-23T16:14:58+03:00

rodikova [14]3 years ago

3 0

The answer would be D. The mean will be 10 points higher. The question said that the quiz score changed from a 79 to an 89 which is exactly 10 points higher than the previous score. I hope this answer helps. :)