Answer:
Step-by-step explanation:
Given
Required
Find AC
First, we need to solve for x
Since B is between A and C, then
Substitute values for AC, AB and BC
Collect Like Terms
Divide through by -5
Substitute 6 for x in
Part A is because there are many answers that aren't included in there. Don't know the rest, sorry, hope that helped a little bit.
I'm pretty sure you add them and get $26.20
Answer:
Class second have higher score and have greater spread.
Step-by-step explanation:
For first box plot
For second box plot
First class has greater minimum value, it means first class has lower grades.
First quartile of both classes are same, it means equal number students in both classes have less than 62 marks.
First class has greater median.
second class has greater third quartile.
Second class has greater Maximum value. It means second class have higher score than first class.
Second class has greater range. It means the data of second class has greater spread.
Second class has greater inter quartile range. It means the data of second class has greater spread.
Therefore, the class second have higher score and have greater spread.