The arithmetic mean test score of students in a certain class is 86. The teacher decided to give each of the students a bonus score of 2, to give consideration to some errors in printing the test question. What will happen to the mean score. There are 24 students in the class.

Flashcard 13 - Math Flashcard Set for the PSAT/NMSQT Exam

The mean score becomes 88.

If a constant p is added to all observations (or numbers in the data set), the mean from the previous observations will also increase by p.

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