A. MEAN
1. 92.8
2. 93
3. Student C has the lowest mean score.
4. Student E and/or Student A.
B. MEDIAN
1. 93
2. 92
3. 93
C. MODE
1. 92
2. 95
3. No existing mode.
Step-by-step explanation:
A. MEAN
1. What is the mean score of student A?
Average x = 92.8
Count n = 5
Sum Sum = 464
Solution:
The average (mean) is equal to the sum of all the data values divided by the count of values in the data set.
Average = Sum / Count
= 464 / 5
= 92.8
2. What is the mean score in Quiz #2?
Average x = 93
Count n = 5
Sum = 465
Solution:
Average = Sum / Count
= 465 / 5
= 93
3. Who has the lowest mean score?
- Student A - 92.8/93
- Student B - 93.2/93
- Student C - 89.6/90
- Student D - 92
- Student E - 93
4. Who has the highest mean score?
- Student A - 92.8/93
- Student B - 93.2/93
- Student C - 89.6/90
- Student D - 92
- Student E - 93
B. MEDIAN
1. What is the median score of student B?
Arranged form:
90 93 93 95 95
2. What is the median score of Quiz #1?
88 90 92 92 95
3. What is the median score of Quiz #5?
92 92 93 93 95
C. MODE
1. What is the mode in student's A score?
2. What is the mode in Quiz #2?
3. What is the mode in Quiz #3?
- No existing mode.
