You wonder if there is a difference in customer satisfaction between two types of computer monitors. You select 20 people who purchased LK monitors and 20 people who purchased DILL monitors from the 245 people who bought monitors from the local BETTER BUY store during the back-to-school sales in September. You ask each of them to rate how much they like their monitor on a scale of 0-100. a) what is the population? b) what is(are) the sample(s)? c) what is the IV? d) what is the DV? e) what type of measurement scale is the DV? f) Is this an experiment or a study (and why)? g) what is the biggest problem with this research and how would you fix it