Find the linear equation that represents the scenario.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

In what form is the following linear equation written y=9x+2

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics