Andy has grades of 84, 65 and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

Related questions

• How do the different measures of center compare?
• What is the difference between the sample mean and the population mean?
• How do you find the median of a set of values when there is an even number of values?
• What is the median for the following data set: 10 8 16 2
• What is the median for the following data set: 10 8 16 2 100
• We say that the median is a resistant measure, whereas the mean is not a resistant measure. ...
• A course has 2 sections, Section A and Section B. On the last exam, Section A's 10 students had...
• A course has two sections, Section A and Section B. On the most recent exam, Section A's 10...
• Jane has scores of 84, 92, and 89 on her first 3 exams. What does she need to score on the next...
• The median is called a resistant measure, whereas the mean is a non-resistant measure. What's a...