Given:
The frequency distribution table.
To find:
The mean average score on a test.
Solution:
The frequency distribution table is

x a xa
y b yb
z c zc
Sum a+b+c xa+yb+zc
Now, the mean average score on the test is


Therefore, the mean average score on the test is
.
Go to the third pic for your answer. I got problem 4 wrong but it shows the correct answer.
The answer is 1 because 7*9 is 63
7*10=70 70-7=63
Answer:
Infinite
Step-by-step explanation:
I hope this helps, if it doesn't then just message me and ill be more than happy to help :)
Answer:t
you go to the positive of the graph find (3, then you look at the negitive part and find -2 and your answer will get (3,-2)
Step-by-step explanation:
hope it helps