Jack has the following scores on exams in his math class. if he wants to make his performance sound as good as possible, which measure should he use–the mean, the median, or the mode of his exam grades when he talks about how he is doing? 85, 87, 93, 89, 61, 81

Jack should use mean of his exam grades when he talks about how is he doing.        

Step-by-step explanation:

We are given the following information in the question:

Jack marks:

85, 87, 93, 89, 61, 81

Formula:

Mode is the most frequent observation in the given data.

Working:

Sorted data: 61, 81, 85, 87, 89, 93

Mode = All values appeared once.

Jack should use mean of his exam grades when he talks about how is he doing because mean gives the average value of his scores and is used a central tendency of data.