Astone is dropped into a well. a splash is heard after 5s. how deep is the well assuming sound travels instantaneously?

A.15

Step-by-step explanation:

We know that the mode of a data set is a data value that occurs most of the time than the rest other values.

Given : A group of college students was surveyed to see how old they were when they had their first job.

The results were as follows:

:15% were 14 years old;

50% were 15 years old;

20% were 16 years old;

15% were 17 years old.

We can that the highest percentage (i.e. 50% ) is of 15 years old students.

It means that the mode of the data set is 15 .

Hence, the correct answer is option (A).