Answer:
3026
30
Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:

Assuming x represents the random male selected and y represents the random female selected:

3026
The average sum of their scores is 3026.
Average difference is the difference between the expected value (mean) of each gender:

1528 - 1498
30
The average difference of their scores is 30.
r+s^2
4+1^2
4+2
6
Hopefully this helped
Cani get the brainliest please
The weight of a plane with 81 gallons of fuel in the tank is about 44 tons
Your question to that answer is irrational