Below are the exam scores from two sections of a graduate statistics course that

Question

Below are the exam scores from two sections of a graduate statistics course that were given the same exam. Suppose that students were allowed to register for whichever section they preferred until they reached their cap of 15 students in each. Both sections were taught by the same instructor on-line. One section met Monday at 8PM and the other Tuesday at 8PM. Different teaching methods were used In the two classes (synchronous versus and results from exam 1 (displayed below) are being studled to assess the relative effectiveness of the two methods. MONDAY TUESDAY 82 87 85 87 87 91 7S 80 80 78 92 76 81 74 #12 Which category of study/experiment is this? Observational study Designed experiment Neither of the above #13 What is the response variable in the study? #14 Which type of variable is your answer Quantitative Qualitative Neither of the above True or false: This is a matched-pairs study. #15 #16 What is the mean of the Monday section? Provide your answer ROUNDED TO THE NEARESTTENTH.

Explanation / Answer

# 12 : Observational Study

# 13 : Exam Scores are response variable

# 14 : Quantitative (Since scores are quantitative)

# 15 : True

# 16 : Mean = Sum (X) / n = 1296 / 15 = 86.4

# 17 : Mode = 70

# 18 : Median = 87

# 19 : Q1 = 80

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