Question

Researchers call random radio listeners on the phone to rank five different popular songs. This research helps radio stations decide which songs to play more often. This method of gathering data is classified as

Answer 1

I believe its B on edgunity

Answer 2

Solution:

Suppose , Five Different Songs that Listeners want to hear is {A,B,A,B,A}

Now , the three variations used to measure Data is

1. Mean

2.Median

3. Mode

As Mean can't be used to measure the popularity of the song.

And, Median Gives the Middle value of the Data.

Now, Coming Back to Mode, which is defined as that value which occurs maximum number of times.

So, the Mode is that measure of Central Tendency , which is used for gathering Data, and which helps researchers to play songs more often.

This method of gathering data is called (B)Sample survey