Answer:
The mean for this data set is 20
X=20
180-77=103
so then simplify (6x-17)=103
6x=120
x=20
Answer:
12 students
Step-by-step explanation:
Given

Required
Determine the number of students that eat lunch once a week
In Sets;
If out of 9, at least 7 eats one a week then
9 - 7 eats lunch once a week

<em>In other words;</em>
2 out of 9 students eat lunch once a week
Number of students in this category is then calculated as thus;




Answer:
Let's replace the h(x) function in g(x) and then use 74 as a result on the axis y. The correct answer is 4 .
the answers are <span>the lower quartile and the maximum and The minimum and the upper quartile.</span>