Hi there! :)
I can help you!
To find the mean, do this:
Add all the terms:
265
Divide by 5 because there are 5 numbers in this dataset.
I hope I helped!

Answer:
84.5
Step-by-step explanation:
70, 80,83,86,88,88
83+86
169÷2
84.5
Answer:
t is the independent variable of time
Step-by-step explanation:
t is the independent variable of time