Answer:
78 squared feet
Step-by-step explanation:
area= base x height
so 6 x 13 = 78
and yeah
HOPE I HELPED:))
Variance = summation of (x - mean)^2 all divided by the number of dataset.
mean = (17 + 5 + 11 + 1 + 11)/5 = 9
Variance = [(17 - 9)^2 + (5 - 9)^2 + (11 - 9)^2 + (1 - 9)^2 + (11 - 9)^2]/5 = (8^2 + (-4)^2 + 2^2 + (-8)^2 + 2^2}/5 = (64 + 16 + 4 + 64 + 4)/5 = 152/5 = 30.4
Each bus was filled with 54 students
5% of 1000 is 5 * 1000 / 100 = 5000 / 100 = 50.