Question 5:Deleting a score below the mean will decrease the mean.

1) True

2) False

Question 13 :A teacher is entering her student's exam score into an online gradebook. After calculating the mean (M = 86), she remembers that each student had turned in an assignment for 5 bonus points added to their overall exam score.

If the teacher decides to divide each score in half rather than add the bonus points, what would be the new mean?

80

38

23

43

Question 14:A teacher is entering her student's exam score into an online gradebook. After calculating the mean (M = 86), she remembers that each student had turned in an assignment for 5 bonus points added to their overall exam score.

If the teacher decides to multiply each score by 7 and then add the bonus points, what would be the new mean?

602

537

607

605

Question 2: What do the following symbols(,SS, ) represent in inferential statistics?

sample variance, sum of squares, population variance

population variance, sum of squares, sample variance

population variance, sample variance, sum of squares

sum of squares, population variance, sample variance

Question 14:A student visits a population of five local restaurants (N = 5) and rates each as follows: 4, 3, 6, 4, and 8. Using the computational formula, what is the SS and ?

17; 1.79

16; 4

18; 3.6

16; 3.2