Which of the following inferences can be made based on the data? (5 points)
a
A hot dog is the most preferred lunch.
b
A hot dog is two times more popular than salad.
c
A salad is two times more popular than sandwich.
d
Sandwiches and hot dogs are almost equally preferred.
Jim surveys a random sample of 150 students from his middle school to learn what type of school lunch is preferred. The table below shows the result of the survey:
