Question

Wholesome Food Company has been hired to design a healthy menu for the cafeteria at Ridgemont High School. They want to conduct a survey to determine what percentage of Ridgemont’s 1500 students like broccoli. The survey will ask, "Do you like broccoli?" Which of the following survey methods will allow Wholesome Food Company to make a valid conclusion about the percentage of students at Ridgemont that like broccoli?

(a) Randomly select 100 students from the school’s directory and survey them.
(b) Survey all students in the school’s cafeteria during lunchtime on a single day.
(c) Survey all students enrolled in the school’s health and nutrition class.
(d) Develop an online survey and ask all students to participate.

Answer 1

Survey all students in the school's cafeteria during lunchtime on a single day.

Step-by-step explanation:

The survey method that will allow Wholesome Food Company to make a valid conclusion about the percentage of students at Ridgemont High School that like broccoli is (b) Survey all students in the school’s cafeteria during lunchtime on a single day.

This method ensures that the entire population of students is included in the survey, leading to a more accurate representation of the student body’s preferences. Surveying all students in the cafeteria also eliminates any potential bias that may arise from selecting a smaller sample size or targeting specific groups of students.