Certain, as long as the student was studying using useful techniques that worked for them and paid close attention to the material taught in class
ANSWER
Period: 2π , amplitude: 4
EXPLANATION
The graphed function is
The amplitude of this function is
The period is 2π because there is no phase shift hence the period is still equal to the parent function.
Period: 2π , amplitude: 4
Answer:
a. The relevant population is all the citizens of the country
b. The variable of interest is about whether the president is doing a good job or bad job. It is qualitative
c. The sample data is the 7,500 citizens randomly selected by random-digit telephone dialing
d. The inference of interest to the pollster is whether the citizens think the president is doing good or bad
e. The method of data collection is survey.
Step-by-step explanation:
C is the correct answer. The method of sampling can be considered both biased & unbiased
