A teacher is comparing her students’ math quiz scores in two of her classes. The line plots show the number of questions answere
d correctly for 20 randomly selected students from each class. Which statement is best supported by the information in the plots?
A.)Students in class B are more likely to have higher scores than students in class A.
B.)Students in class A have the same scores as students in class B.
C.)Students in class B always have higher scores than students in class A.
D.)Students in class A are more likely to have higher scores than students in class B.
A.)Students in class B are more likely to have higher scores than students in class A.
B.)Students in class A have the same scores as students in class B.
C.)Students in class B always have higher scores than students in class A.
D.)Students in class A are more likely to have higher scores than students in class B.
2 answers:
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As X' is the reflected point of X(0,3) , so the x co ordinate of X' = 0+8 =8 and here y co ordinate remains same.
So, X'= (8,3)
Like that way, Y' is the reflected point of Y(2,0) and Z' is the reflected point of Z(4,2)
As the point Z is lying on the line x=4 and the reflection is also across that line, so both Z and Z' represent same point.
Y'= (2+4, 0) = (6, 0)
Z' = (4, 2)
