Answer:
The mean absolute deviation for the test scores 84·5
Step-by-step explanation:
6 students have score marks in test
Total marks of 6 students is 507
The mean absolute deviation [tex]=[/tex] [tex]([/tex] Sum of the 6 students test score ÷ Total number of the students [tex])[/tex]
[tex]=[/tex] 507 ÷ 6
[tex]=[/tex] 84·5