Chapter B.1, Problem 28E

To determine

the score in the entrance test of a candidate who secures in the 50’s in the final test.

Answer to Problem 28E

The entrance test score of any candidate securing in 50s in the final exam is $22$ .

Explanation of Solution

Given information:

The given scatter plot of the scores of 10 students are:

  

From the graph consider the final exam score from 50 to 59.

It is seen that there are two plots, $\left(22,53\right)$ and $\left(35,57\right)$ in this range.

Consider the score of the student $\left(22,53\right)$ .

The entrance test score of the candidate is $22$ and

The final exam score of the candidate is $53$ .

Hence, the entrance test score of any candidate securing in 50s in the final exam is $22$ .