Question

Students in two classes took a mathematics achievement test. The box plots display the data.

box plot class 1 and class 2



Which of the following is true?


1)Half of the scores in Class 1 are less than one-fourth of the scores in Class 2.


2)At least half of the scores in Class 2 are greater than all the scores in Class 1.


3)The interquartile range (IQR) of Class 2 is less than the IQR of Class 1.


4)The range of Class 1 is greater than the range of Class 2.

Answer 1

2)At least half of the scores in Class 2 are greater than all the scores in Class 1.

Explanation:

Since the median line for class 3 is ahead of the entire distribution of class 1, we can claim that atleast 50% of scores area greater in class 2

Answer 2

Option 1 is correct

Explanation: