Two professors taught EDCP100 in 1955 at UMUC - Europe. Both had ten students in

Question

Two professors taught EDCP100 in 1955 at UMUC - Europe. Both had ten students in their respective classes, sections 6980 and 6981. Below please find their evaluations by their students on their overall satisfaction with the class. The students ranked their level of satisfaction from 1 to 5, with 1 being the lowest, and, 5 being, the highest.

6980

1

4

3

4

5

5

4

3

4

5

6981

3

4

5

5

3

4

4

4

3

3

1. What is(are) the mode(s) evaluation score of each professor? What is the mean evaluation score of each professor? What is the median evaluation score of each professor?     Can we tell from these numbers which instructor was more popular with the students? And why do you think so?

2. What is the range for each course?

3. What is the Five Number Summary for each course?

4. What is the standard deviations for each course? What can we say about the courses from the standard deviations?

5. Now, what kind of stories can we tell?  Is one professor better than the other professor? Are there variations in the data? If so, how could that affect interpretations? Please be sure to use the data to describe the professors' performance.

6980

1

4

3

4

5

5

4

3

4

5

6981

3

4

5

5

3

4

4

4

3

3

Explanation / Answer

using ms-excel following information has been generated

(3) after arrranging the data in ascending order the five number summary is given as

(4)

course 6881 is more consistent

(5) although both the course has same mean, median but range and standard deviation of course 6881 is less,

so course 6881 is more consistent and can be concluded that 6881 is better than 6880

6980 6981 1 3 3 3 3 3 4 3 4 4 4 4 4 4 5 4 5 5 5 5 n= 10 10 mean= 3.8 3.8 median= 4.0 4.0 mode= 4 3 or 4 sd= 1.16619038 0.748331477 (2)range= 4 2

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