4. The college is planning to add a food vendor in the student union and would like to know what type of food service the students would prefer. A sample of 120 students is obtained and each student is asked to select his/her preference from a coffee shop, a pizza place, or a hamburger grill. The resulting frequency data are as follows: Coffee Pizza Hamburger 53 37 30 a. Do the data indicate any significant preferences among the three types of food service? Test with a = .05. b. A similar survey of the student population 10 years ago found that a coffee shop was preferred by 20% of the students, and pizza and hamburger were each preferred by 40% of the students. Do the data indicate a significant change in preferences during the past 10 years?
4. The college is planning to add a food vendor in the student union and would like to know what type of food service the students would prefer. A sample of 120 students is obtained and each student is asked to select his/her preference from a coffee shop, a pizza place, or a hamburger grill. The resulting frequency data are as follows:
|
Coffee |
Pizza |
Hamburger |
|
53 |
37 |
30 |
|
a. |
Do the data indicate any significant preferences among the three types of food service? Test with a = .05. |
|
b. |
A similar survey of the student population 10 years ago found that a coffee shop was preferred by 20% of the students, and pizza and hamburger were each preferred by 40% of the students. Do the data indicate a significant change in preferences during the past 10 years?
|
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