Respuesta :

Answer:

9.625

Step-by-step explanation:

9+9+9+9+10+10+10+11=77

you add all the numbers together. and then divide them by the number of numbers so.

77/8=

9.625

Answer:

Mean(Average): 9.625

Median(Middle): (9+10)/2=9.5

Mode(Most Common): 9

Step-by-step explanation:

Mean-The average of all data in a set

Median-The value in a set which is most close to the middle of a range.

Mode-The value which occurs most frequently in a data set.

I know you just needed the mean but I just said these also just in case.