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
.
1.d. 2.c 3.b 4.d Justt got a 100% its right!!!
Answer:
How can the solution be located?
find the intersection
Which integers is the x-coordinate between?
0 and 1
Which integers is the y-coordinate between?
2 and 3
What is the solution approximated to the tenths place?
(0.4,2.8)
Step-by-step explanation: