Answer:
A research group is on a college campus and is conducting a survey regarding the coffee consumption of college students in America.The techniques that would probably produce a sample that is most representative of population is Survey a randomly selected group of students from all- campus event.
Explanation:
While surveying the coffee consumption of college students the group will select the random samples. The Random sample is one which is selected without any kind of partiality. Every student in a survey will get an equal opportunity for selection.
The sample selected by this technique is more reliable as it actually represents the population from which it is taken. This technique can be used only when the size of the population is not very large.
Answer:
No, this is not a valid conclusion that the researcher has made. Although the numbers for samples #1 , #2 and #3 are individually bigger than the other numbers when the numbers for the amount of people who drink coffee are added together it is more than half.
