Question 2 (4 points)

A study shows that 60% of the US population uses iphones with a margin of error of plus or minus 4.6%. What does this say about iphone usage in the United States?

Question 2 options:

a)	Between 55.4% and 64.6% of the US population uses iphones.

b)	4.6% cell phone users use iphones

c)	Between 59.9% and 60.5 % of the US population uses iphones

d)	4.6% of US teenagers use iphones

Question 3 (4 points)

The Council at a local high school wants to conduct a survey concerning the quality of the food in the cafeteria. The president posts a council member at every entrance and tells them to pick the first 25 students that came through the door. What type of sampling technique is this?

Question 3 options:

a)	Systematic Sampling

b)	Convenience Sampling

c)	Simple Random Sampling

d)	Cluster Sampling

Question 5 (4 points)

An scientist is interested in determining which brand of fertilizer makes peanuts produce the highest yield. An experiment is conducted using three different brands of fertilizer (Brand A, Brand B, Brand C). The experiment was designed so one acre of peanuts had fertilizer added to it, and another acre of peanuts did not receive the added fertilizer. What is the treatment?

Question 5 options:

a)

Yeild

b)

Acres

c)

Peanuts

d)	Fertilizer

Question 6(4 points)