Question

Investigate whether the average phone use (text messages sent + text messages received) is different between males and females.

What variables are involved in this investigation? (You should identify one numerical variable and one categorical (grouping) variable.)

Answer 1

Solution

To investigate whether the average phone use (text messages sent + text messages received) is different between males and females.

What variables are involved in this investigation?

Here we should have two variable Gender which has two level male and Female

and Another variable Phone use

So here categorical variable is Gender

and numerical variable will be Phone use

Here we can use independent t-test to investigate whether the average phone use (text messages sent + text messages received) is different between males and females.