A coffee enthusiast would like to test whether the coffee preference of young consumers living in Brooklyn is affected by the perceived brand. He recruits 18 volunteers and divides them into 3 groups: one group gets coffee in a starbucks cup, another group gets coffee in a McDonalds cup, and a third group gets coffee in a cup labeled "new Fair-Trade Organic non GMO Rain forest" coffee. The catch is that everyone received the same brewed coffee. The participants are asked to drink as much coffee as they can tolerate out of an 8 oz serving. Below is the number of ounces consumed by each of th e18 people. Test the hypothesis that perceived brand affects preference for coffee (use alpha = .05). McDonalds Starbucks NFT Organic
A coffee enthusiast would like to test whether the coffee preference of young consumers living in Brooklyn is affected by the perceived brand. He recruits 18 volunteers and divides them into 3 groups: one group gets coffee in a starbucks cup, another group gets coffee in a McDonalds cup, and a third group gets coffee in a cup labeled "new Fair-Trade Organic non GMO Rain forest" coffee. The catch is that everyone received the same brewed coffee. The participants are asked to drink as much coffee as they can tolerate out of an 8 oz serving. Below is the number of ounces consumed by each of th e18 people. Test the hypothesis that perceived brand affects preference for coffee (use alpha = .05).
McDonalds | Starbucks | NFT Organic |
1 | 2 | 8 |
0 | 1 | 8 |
2 | 2 | 7 |
1 | 3 | 8 |
1 | 1 | 8 |
2 | 4 | 8 |
a) What is the appropriate statistic?
b) State the null hypothesis.
c) State the alternative hypothesis.
d) Find the critical value.
e) Calculate the obtained statistic by hand - SHOW ALL YOUR WORK.
f) Report your results. Make a decision.
g) What does your decision mean?
h) Is a post-hoc test appropriate here? Why or why not?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 4 images