33 students returned surveys from day 1 of class. The following data were collec
ID: 3372040 • Letter: 3
Question
33 students returned surveys from day 1 of class. The following data were collected:
Year in school
Favorite food
What was the prevalence of juniors (year in school = 3) in our class on day 1?
4
Mexican
4
cereal
3
macaroni and cheese
4
cheese
4
sour pickles
4
Italian
3
pizza
4
buffalo wings
4
mangos
3
cheese
4
pickles
Among seniors, what was the prevalence of ice cream being the favorite food?
4
Mexican
3
pizza
3
chips
3
tacos
3
ice cream
3
pasta
3
coffee
4
candy
4
milk
4
chocolate
4
cereal
Among juniors, what was the prevalence of ice cream being the favorite food?
4
pasta
4
peanut butter
4
sour patch kids
3
sushi
4
sushi
3
all food
3
ice cream
3
frosted sugar cookies
3
ice cream
4
breakfast
4
steamed vegetables
Year in school
Favorite food
What was the prevalence of juniors (year in school = 3) in our class on day 1?
4
Mexican
4
cereal
3
macaroni and cheese
4
cheese
4
sour pickles
4
Italian
3
pizza
4
buffalo wings
4
mangos
3
cheese
4
pickles
Among seniors, what was the prevalence of ice cream being the favorite food?
4
Mexican
3
pizza
3
chips
3
tacos
3
ice cream
3
pasta
3
coffee
4
candy
4
milk
4
chocolate
4
cereal
Among juniors, what was the prevalence of ice cream being the favorite food?
4
pasta
4
peanut butter
4
sour patch kids
3
sushi
4
sushi
3
all food
3
ice cream
3
frosted sugar cookies
3
ice cream
4
breakfast
4
steamed vegetables
Explanation / Answer
Answer to the question is as follows:
a. Prevalence of juinors = No. of students with Year in school 3 / total people = 14/33
b. Among seniors the prevalence of ice cream being the favorite food
= no. of senior with favorite food ice cream/ total seniors
= 0/19
= 0
c. Among junior Prevalence of ice cream being the favorite food
= (total ice cream liking juniors)/(total juniors)
= 3/14
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