Adoctor's office mails a survey to each of its patients. the result of the survey are based off of the total number of patients. which of the following could affect the outcome of their surveys

What is the upper quartile in the box plot?

Can someone, me with this.i really need with this

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity