The mean is calculated by summing all the data points and dividing by the total number of data points. The document shows an example of calculating the mean exam score of 7 students by adding up all their individual scores, which totaled 245, and then dividing that sum by 7 students to get a mean of 35. The formula for calculating the mean is expressed as the sum of all scores divided by the total number of data points.

1. Calculating the Mean

2. Calculating the Mean
The mean is
calculated by

3. Calculating the Mean
The mean is
calculated by
summing the data
points.

4. Calculating the Mean
The mean is
calculated by
summing the data
points.
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
245

5. Calculating the Mean
And dividing by the
number of students:
245 / 7
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35

6. Here is the formula for mean:
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35
The Sum

7. Here is the formula for mean:
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35
The Sum Of all the
exam
scores

8. Here is the formula for mean:
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35
Divided by

9. Here is the formula for mean:
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35
Divided by
the number of
Students

10. Here is the formula for mean:
Equals
The Mean
Students Exam Scores
Bantam 30
Bella 42
Benton 40
Birch 28
Bork 37
Brenda 35
Bubba 33
Sum 245
Mean 35