i am not sure but I also need the answer to this question
Answer:
A
Step-by-step explanation:
y bar basically means the average of the y-values.
To get the average, we add up all the y-values in the table and divide by the total number of values (here we have 5 values). Hence,
y bar = 
correct answer is A
Answer:You would need 9 buses for everyone
Step-by-step explanation:with 8 buses you would have taken 200 students so you'd need one more bus for the other five.
$40 x 25% = )10 off so final price will be $30 mark brainest
Answer:
lol
Step-by-step explanation:
By the way chill mate...
http://www.alcula.com/calculators/statistics/range/