Answer:
[tex]84[/tex]
Step-by-step explanation:
To find the mean, you need to add all values together, then divide by the number of terms (in this case, 4):
[tex]75+88+82+90\\163+82+90\\245+90\\335\\\\\frac{335}{4} =83.75[/tex]
Round to the nearest whole number:
[tex]84[/tex]
Done.
