2. A student had taken six tests and received scores of 88, 73, 81, 83, 79, 94. The seventh test

was coming up and the student wants to know:

a. What was needed on the 7th test to have a mean score of 83. Find the 7th test score.

b. Find the median and mode using the 7th test score from part a.

Median

Mode:

a) 83

b) mean and mode are both 83

Step-by-step explanation:

a) mean is the average. so add all the numbers and divide by the number of numbers.

88 + 73 + 81 + 83 + 79 + 94 + T = 83

7

b) median - put the numbers in numerical order, smallest to largest, what is the middle number (4th number) 73, 79, 81, 83, 83, 88, 94

mode - which number shows up most frequently?