Pete Zahh got the following scores on his 7th grade pre-ap math class tests. 97 , 80 , 79 , 78 , 91

1. What is the mean of his test scores?

2. What is the mean absolute deviation?

3. What is the difference between the mean and the mean absolute deviation?

the photograph is photographer and- in the process- ourselves.

step-by-step explanation:

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.