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The data below represents students’ test scores. Which of the following is the median of the set data? 80, 76, 92, 96, 44, 86, 56, 93, 69

A. 86

B. 69

C. 44

D. 80

Answer Explanation:

Explanation: the median of a data set is the element that is found on the middle position.

To find median, organize the given data from the smallest to largest.

44, 56, 69, 76, 80, 86, 92, 93, 96

Now, the number of elements in the date set is 9, which is an odd number. The median falls in the position

(N+1)/2=(9+1)/2=10/2=5.

The number that falls in the 5th position is 80. Thus, 80 is the median of the data.

Therefore, the Correct Answer is D.

Q #1: The data below represents students’ test scores. Which of the following is the median of the set data? 80, 76, 92, 96, 44, 86, 56, 93, 69

A. 86

B. 69

C. 44

D. 80

Answer Explanation

Explanation: the median of a data set is the element that is found on the middle position.

To find median, organize the given data from the smallest to largest.

44, 56, 69, 76, 80, 86, 92, 93, 96

Now, the number of elements in the date set is 9, which is an odd number. The median falls in the position

(N+1)/2=(9+1)/2=10/2=5.

The number that falls in the 5th position is 80. Thus, 80 is the median of the data.
Q #2: Which of the following is the total number of whole boxes that measure 0.4 ft * 0.4 ft * 0.4 ft that can be stored in a room that measures 8 ft * 8 ft * 8 ft, if the size of the boxes cannot be altered?

A. 4000

B. 800

C. 400

D. 8,000

Answer Explanation
Q #3: As the number of credit hours a student takes in a semester increases, the tuition fees, the amount of access fees, and the number of student loans available also increase. Which of the following is the independent variable?

A. Amount of access fees

B. Tuition fees

C. Number of credit hours

D. Number of student loans available

Answer Explanation

A change in number of credit hours will lead to a change in the amount of access fees, amount of tuition fees, and availability of the number of student loans. Thus, number of credit hours is the independent variable.

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